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INDEX OF SUBJECTs. 397true principies breathed iapon by the spirit os life and wisdom, ΙΙ., 320. See
ΗUNGER and thirsi are affections of the blood, eXpressive of iis generat Want, 174. Aversion and appetite in brutes osten have respect to the quality of Dod and drink ; but in the human subject almost always to quantity alone, I 75.
HYPOTHESIS . See Trtith. IDEAS, Whether material or immateriat, are real esse ces, just as the modifications
of the auras, II., 270. See A*cent and Descent of Forms. Intellectual Or rationalideas coincide With the modes of the second aura, II., 27 I. The materialist anilideatist may both understand their ideas thias, ibid. Νo modification Or idea caneXtend beyond the continuiw of substances, or of their fluXion, II., 273. There areno innate ideas in the mind, but ait ideas are connate in the foui, II., 275-277, 286,
penetrate into the trullis of the sciences, the less Ahali me trust the imagination, 9. Animais possess imagination, but Dot thought, II., 261, 339. Imagination Survives the eXternat senses, II., 263. It is a Lind of generat thought, and cupidity a generat wili; ali such assection being purely animal, II., 293, 339. IMMORTALITY. The humari spirituous fluid is sala froni harm by aught that besalis in the sublunary region, II., 342. It is immortal ; yet not immortal per Se, but through God, ΙΙ., 342, 343. See Histher, Prior. We cun no more doubt iis
universat providerice of God, II., 344. Μany reasons lead iis to think, that this fluid cannot be absolutely released froin iis earthly boniis, excepi by the Searchingaction Os an eXtremely pure sire, II., 345. When emancipaled froni the body, it Will stili assume the complete form of the body, II., 345, 346. See Animal Spirit, Boo, Soul. It is then no longer the body, but the foui under the form of the body, II., 346. It can never again enter into the festi by nutrition ; for the passages for Such nutrition are abandoned ; nor by an ovum, for iis volume is great, and Can neVeragain begin e minimo, II., 346, 347. The coheretice of the foui or spirituous fluidis even naturalty possit,ie by the mediation Of the aura of the universe ; and muchmore is it possibie supernaturally by the thorough and intimate action of the Spiritof Lila, II., 347-349. The foui Will live a life pure beyond imagination, ΙΙ., 35 I. Μyriads of iis moments and degrees Will equul but one of oui S, and yet myriadS of Ours Will not appear to ii as One appears to us , ΙΙ., 35 I. See Memory. Every deed done designe lly in the life of the body, and every Word ultered by consent of the will, after death will appear in the bright light of an inherent Wisdom, before thetribunal of the conscience, II., 351-355. The foui Will cali itself to account, and Will pronounce iis oWn sentence, II., 355. See ConScience, Heaven. INFINITE. Those Who attempt to explore the Divine and Infinite by mentalphilosophy, Suffer for their temerity ; their rational eye being afterWards beSet by a Specti or ShadoW, whicli malles them blinit in broad daylight, 277. See Revelation. INFLUX : See Arces. It is useless to attempt to deduce a priori hoW the Soulnows into the minit, and the minit into the body, II., 39. There is no Such thingas OezuSionality of causes, Or physical influx, II., 5 I. The divine life and intelligerice floW With vivifying virtve into no substances biit those that are accommodatedat Once to the beginning of motion, and to the reception Os life , ΙI., 229. Hence iis iussuX into the most simple, universui, und perfeci substances of the animal body ;Vig., into the spirituous fluid, ΙΙ., 230. And so into the le8S Simple, univerSal, and
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INDEX OF SUBJECΤS. perfeci substances ; ali of whicli manifest the force, and lead the lise, of their first Substance, II., 231. See Animal Spirit. The manner in Whicli the Divine Liseand Wisdom 1low in , is infinitely above human comprehension, ΙΙ., 237. Itmay be compared with the influx of solar light, II., 240. See Comparison, God. We cannot judge of the influx of sensations but DOm the connexion Os organic Sub Stances, II., 262, 287-289. The intercourse belween the foui and the body is asbetween the last organic forins produced by the blood, and the sirst produced by the
Spiritu us suid, II., 288. This intercourse is nothing more than the translation os common modes into Singular modes in the Soul, and the translation of the singularlarces of the foui trito common forces, ibid. The nexus of Substances must teachthe particulars of in1lux, II., 289. A diligent and rationes anatomy, combined with pSychological experience, Will shew the nature of the intercOurse belween the Souland the body ; and prove that the foui cari communicate With the body, but throughmediating Organs, according to their State, natural and acquired, II., 294-297. SenSations , as Such, do not constitute the intercourse belween the foui and thebody, but remain sensations even in the cortical substance, ΙΙ., 295. Α form and distinctuess require to be induced usOn them, as senSes in , Or additional to, Sense, II., 295, 296. The sibi es are assected generalty first, Singularly asterWards, II., 352. INSECTS are as various as the Solis that produce, the leaves that nourish, and the Sun-beams that vivisy them, 239. ΙΝΗΤΙΝcΤ. Natural instincts are ad inose operations that do not come to mental consciousneSS ; Such as the economic und chemicat operations of the body, the actionof the heari and arteries, &c., &c., 243. See Brutes, Cerebellum. Animal instincis
exactly counterseit reason, 244. The Ovilines of the body in the egg and womb aretraced by an instinet similar to that os animais, ibid. ΙΝΤΕRCOSΤAL AIUS CLES. They have no antagonisis, 265, 332, 349 ; II., 8 I. See Lunys. They are proper inspirato muscieS, 349. INTERCOAΤAL ΝΕRVE. It is the vicegerent of the cerebellum in the body, 265, 350, 465, 546. See Lun98. It and the par vagum gOveru the heari, 458 ; ΙΙ., 109. It has the universat charge of the body, transfusing and dispensing the spirituous fluid und nervous juice everywhere, 461, 537. See Cerebrai Nerve8. It can neverfuit os iis suid, since it has a Desii Origin ut every potnt of the Spinal marrow, and is in the stream of the motion Os the brains and both medullae, 463; ΙΙ., 78, 79. Whereuer any natural motion is going on, it associales With the par vagum to formretisorin plexuses, 465. It arises Om the medulla cerebelli, though tio anatomist can give Ocular demonstration of this faci, but it is shewn by examining the ultimate essects of the nerve, and comparing them With the known ossices of the brains, ibid. See Par Tagum. It atid the par vagum cause ali the special and particular motions of the body to terminate in the universat motion of the brain, and the common motion of the lungs, ΙΙ., I 09. Both these nerves are influenced to expand and contraci by the expanSion and contraction Of the lungs, II., Ι 83, 184. JUGULAR VΕΙΝΗ. The right jugular vein, like the right lateria sinus, pours iis biood before the lest into the right auricle of the heari, 541. The fluxion of thesevetiis is synchronous With the reSpirations of the lungs, II., 80. LAUGΗΤΕ R is a means of exciting the brain through the lungs, 263, 343. Andos promoting the descent of the spirituous 1luid froin the bratus into the blood, 343. It may exist without gladness, II., 52. It can Only exist in man ; and arises mOStheely in the empty-minded and the SelfiSh, II., 53. LEAsaes. In the pureSi and leaSt thingS animal nuture exisis in iis totality, and
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observes no laWs but those of the universe, 122, 194, 282. By iis pure and least principies it has relation to everything, ibid. , I94. See Circulation, Compound. The blood flows With accelerated velocity through the least vesseis, J4I, 142, 143. The tunic of the least arteries is most perfectly adapted to the blood-globule, undpresses upon it at a thousand potnis ; Whereas in the large vesseis it is not so muchas tolached, 143. The least vesseis occupy one extremity of the Sanguineous System ;the heari, the other, I93, 419. In the field of least vesseis nature eSpecialty exeris her poWers and celebrates her games, 194, 419. The heari is surrounded with asield of least vesseis, 194, 449, 422. The field of least vesseis is more immediatelyunder the controi of the braitis than the larger vesseis, ibid. , 419, 488. See Fibre. Νature has placed her vertest laboratories in the field of least vesseis, und transferredihither the animus of the bratiis, 195, 419, 422. In the universe We may See thecharacter of iis least substances, I 82. The nervous fibre acts upon the least vesselssrst, 489. Nature is the fame in the least sphere as in the grenter und the greatest, II., 87. In the field os leasis it is datigerous to proceed to the particulars of universati, untii ali the essecis in the animal economy have been distinctly traced totheir Causes, ΙΙ., 159. LIBERΤY. There is liberty of acting, relatively to tomer inings ; liberw of susseringonesself to be acted upon, relatively to higher things ; and liberty of disposing ones-self, by virtve of the twO former conditions , ΙΙ., 23. Every rationes minu panis for iis own goiden liberty, II., 208. The essenties part os liberty consisis in belligabie to choose the good, and to omit the evit, II., 3II. Liberty is the companionand spouse of the human understanding, ibid. , II., 326. Ali possibie means are provided to ensure the perfection of both, II., 3IJ-313. The Dee pomer of doing, or Iearing undone, is granted to human minds as a means to the ultimate end of creation, or the glory of God, II., 326. Liberty is the essence of humati delight, ibid. By mere liberty we are distinguished froni the brutes, and by our use Ofliberty, DOm our fellow-mortales, ibid. The morat distinction os fouis, and thenatural distinction of bodies, arise entirely Dom the gist of Dee choice, ΙΙ., 327. LIFE. The fluids of the animal world are living, I 31. See Animati0n, ED, Fluid. Determinate und distinct animation constitutes life, 285. Sensitive lise, When raised to higher pomers, constitutes the highest life , ibid. See Artery, Science. By the cooperation of the motioris of the brains and lungs we are enabled to live distinetly, II., I 08. Νature 's life consistes in the continuity of her paris, and the perpetuat circulation of her fluids, II., I 37. The circulation of the spirituous fluidis the circle of Illa, II., Ι 82. The most eminent aura does not live, but is the instrument that enabies iis, While We live, to be modissed and move distinctly, ΙΙ., 195. Life is one thing, and nature another, II., 224. What is light und distinction os light in nature, is life and intellect Os life in living subjecis, II., 225. Νature is the instrumental cause of Which life is the principat cause, II., 225. See Animal Spirit, Aura. Lila regariis ends, but nature promotes ends by essecis, II., 226. God is essenties illa, II., 228. Lila must not be in an organio substance to enable it to live and underStand, but must come as an accident Dom without, II., 245. Life is the universat eSSence of singulars, and is perfeci in proportion as it is singular, ΙΙ.,
LIGIIT. The generat modification recogniged by the eye as illumination, probablyariSes DOm the animations of the solar ocean, 130. See Ether, e. Light is notan emuX of materiat atoms, II., 244. LIVER. It is a laboratory for the purification of the bl ood, 317. Besore birili,
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INDEX OF SUBJECTS. the blood ab ut to go to the bratus is first transmitted to the liver, ibid. In adulis, the hard , old and obsolete bl od and serum are sent to the liver, ibid. See Bile, Distration, Embryo. The maternat blood, when diseased, is purissed in the embryonicii ver, 319. See Meconium. Lovg. The love of self should stand far below; and a bove it, the love of country ;and above this, the love of God, ΙΙ., 268. The love of an end is a Lindling heat tointellectual light, II., 310. See Fuith. Love in animate beings corresponds tolikeness and harmonic agreement in inanimate things, II., 349. Parental love arises froin the faci that the foui of the ost spring is derived from that of the parent, ibid. The nature os love is to be investigated by the mathematical doctrine of universals, ibid.LUNGA. The litile vetiis of the lungs sueti tu atmospherio salis that agree Withthem, 42. See Air. The lungs are a stomach consisting of an infinity of tesserstomaclis, and Deding on auries Dod, 44, 163. See Animalion, Blood, Embryo. They live by expansion, but expire alid die by constriction, 262. See Brain, Laughter, Motion. All the blood that passed through the brattis besore birili, passes through the Iungs after birin, 331. When they are eXpanded, the pulmonarynrteries are eXpanded, but When the brain is expanded iis arteries are constricted, ibid. They contraci by their own est ori, but are expanded by the influent uir, 332. The purer blood permeates them through the pulmonary artery prior to the redblood, 346. See Circulation. Their action is equally universat with that of thebrains, and any part devoid of it, is Soon dissocialed Dom other paris, 348, 350 ; ΙΙ., 66. See Respiration. Where they do not aci upon a part palpably, stili they ure in the est ort so to do, 348, 350 ; II., 66. By their expansion and constriction theyuot on the two generat nerves of the body, viz., the intercoStal and par vagum, 350, 537 ; II., 183. The aeriat elemenis, in the neW chyle particularly. are ejected Dom theblood in the lungs, 42 I. Their motion is mised, Or both spontaneous and Voluntary, 471; II., 65. They Leep the praecordia in the universat motion, 535, 537. The relationship and conjunction belween them and the heari is intimate, ibid. Theheari is held and embraced by their two arms, namely, the pulmonary artery and veitis, 536. The muscular fibre of the right ventricle traverses them to the lest ventricle, ibid. They are not the proximate cause of the motion of the heari, 535-537. They are in the universat motion of the brains, 537. They concur Wonderfulty in promoting the circulation of the nervOus juice through the nerves, II., I 83. ΜΑΝ did not begin to exist tili nature's Lingdotiis Were completed, in order that me entire universe might be exhibited in him, 3 ; II., 7. He subsistS as a compotandos ali the elements of the worid, 45, 199 ; II., 7. See Brute8, MicrocOSm. Helias the pomer to ward off the blood Dom the cortical substances of the brain ; lest the body should invade the rational sphere, 182, 242; ΙΙ., 68, 197, 285, 292. Nothing in the worid is more perfeci than he, and yet nothing is more imperfect is he abuses his faculties, 199. Ait nature is developed in him, ibid. , ΙΙ., 7. In manthose things especialty are multiplied, that are more perfeci, and belong to cauSeS Orprincipies, ibid. , ΙΙ., 285. Externat motives and incitements should produce noaci in man without receiving a specific determination Dom reason, 200; II., 285. His growth and instruction Occupy tengthened periods, while other animais attaintheir perfection quichly, and are bom Mith adequate knowledge, 276 ; II., 28b, 337. There is an internat mari that figliis With the externat, II., 264.
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philosophy of the foui iraeis, II., 55, 204, 218, 307, 349. Is rightly digested, itw1ll be the one science of the natural sciences, because the complex os ali, ibid. ; II., 204, 205. By iis mute teritis and technic signs, it Will prove infinitely more loquaci ous thau rational philosophy, With iis ideat pratuing and indeterminate formS, II., I99, 204. It will not only signisy high ideas by letters proceeding in a simple order, but Will reduce them to a philosophical calculus, not unlike the analysis of infinites, II., 203. The doctrine of the Order, series, and degrees of the worid and nature, i Sthe Only path to this science, II., 205. We cannot anticipate the use of it by bure thought, but by application to examples, ibid. It is of no use Without eXperienceand the phenomena of the senses, II., 206, 217, 307. The author has as yet hardlyadvanced beyond iis first principies, II., 217, 348. See Love. M ATTER, joined to form, constitutes substance, II., 28. Μalter cannot thinii, II. . 223. ΜEANA. Ali inings in the finite universe are but means, for the first Being is both the beginning and the end, ΙΙ., 20. ME CONIUM. It comes Dom the liver and the gall-bladder, 319. MEDICINA . Nearly ali medicines iam to restore the proper state of the blood, 48. As the blood is the fountain os illa, so it is the Duntain of those sciences that have the perpetuation of life for their objeci, ibid. The empiric art, ΙΙ., I96. ΜΕΜBER. Each member of the body has iis οὐ specific sciences Of angiology, adenology, myolOgy and neurology, I 06. ΜΕΜORY. The memory of things is not impressed on the spirituous fluid, buton the tibi es of the fluid, II., 282, 283. It is an adaptation of the fibres a p08-terismi, ΙΙ., 282, 283, 352. The memory is in iiself most happy, and never loSeSany object orice impressed, ΙΙ., 352, 353. See Immortali .
ΜIND. Nothing induces more darkness On the mind, than the interference of iis providelice in things that belong to the Divine Providence, ΙΙ. The muses Iove a tranquil mind, 12. See Cause8, Corresponden O. The mind should begin Where artificiat sight terminates, II., I 35, 142, 154, 200, 313. We must divide theblood into iis parta by thought, since We cannot divide it by sight, ΙΙ., 213. Themiud partakes both of life and nature; hence it can hardly see either of them Separalely, II., 224. Is we seek for the mirid out of the body, thought wid losettself in some non-permanent accident, ΙΙ., 234. The infinitely smali is as litile comprehensibie to ii as the infinitely great, II., 237. It cannot understand anythingiliat is not attached to somewhat naturat, ibid. See Oman. The foui enters by influx into the mliud, II., 258, 259. The ossice of the mind is, to understand think, and will, ΙΙ., 260. See Animu8. The animus is distinct Dom the milid, and the mind Dom the foui, II., 264. The mind is a centre, to Whicli there is an ascent Dom the lowest sphere, and a descent Dom the highest, ΙΙ., 268, 279, 3 3. Besore the mind can be illuminated by the foui, it must be imbued With principies a p08feriori, Or through the organs of the senses, by the mediation Of the animus,
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INDEX OF SUBJECΤS. the human mind, II., 286. See Genesis of Faeuities. There are as many portions of mind as there are cortical and cineritious substances in the brains, II., 29 I, 293. In proportion as the purer blood sowing through the cortical substances ubOunds in ethereo-volatile particles, or is unotean and gravitating, in the Same pro- Portion this substance, and the mind, partae of the body, II., 29 I. The mitidhaS the poWer to elect Whateuer it destres in a thought directed to an end ; hence todetermine the body to aci; whether according to the animus, or the contra , II., 309. But in those matters only in Whicli it has been instructed, and in Whicli it VieWS the usefui, the honourabie, or the decorous, as an end, II., 3I8. In higherand divine things the mind can will the means, but in respect to the end, it muSt permit itself to be acted upon by the foui, and the foui, by the Spirit os God, II., 322-326.
MODESΤY is the characteristic of those that love and discover the truth, 10. ΜΟDIFICΑΤΙΟΝ : see Motion, Undulation. The undulation of the ether constitutes modification, 130, 133. See 'e, Ideas, Light, Mutation. The perfection os modification increases With the perfection Os substances, II., 274. ΜODULATION. The motion Os the uir constitutes modulation, I 30 ; ΙΙ., 269. ΜONSTER. The formative force is present in monsters, disposing meW the Orderof things, and suggesting the manner of using them, 23 I, 237, 573. ΜOTION. Everything in nature is formed in motion, according to motion, and lar motion, 129, 133, 137, 278, 519. There are three species of motion in the World; locat Or translatory, undulatory or modificatory, and illary Or centrat, I 30,I37, 278. See Brain, Conatus, Modiscation, Modulation, Mutation, Undulation. Μοtion is perpetuat conatus, 135, 278 ; II., 310. In regard to motion, a part may be
Simultaneousty in any circumferetice, or radius, in any potnt of either, and in any number of centres, 136. There are three generat Sotarces Os motion in the bo , viz., thebrains, the heari, and the lungs, 254, 267. Authors appear to concede motion to ali organs excepting the brains, 255. The braius and lungs are a more generat cauSe of motion than the heari, 267 ; ΙΙ., 108 A mass Or volume of One and the Samebody may undergo a generat, a leSs generat, a particular, and an individual motion, ait at Once, and without the one motion interfering with the other, 268 ; II., 107. TO locat, undulatory, and axillary motion, must be added animatory, Or alternatelycontracting and expanding motion, 278. Unless these motions are underStood, We Cannot know What nature is and means, ibid. See Animation, Axillary Motion. When corpuscules of disserent kinds, and separate Dom each Other, are impelled by the Same larce, the elastic travel the fastest, While the heavy and ineri travet OnlyWith a velocity equat to the disteretice belween the force impressed, and the force lost by resistance : and this rule is applicabie to the multifarious corpuscules Or SubStances mingled in the venous bl0od of the heari, 422. See Mus te. There is not a laW Ofanimal motion but may be Dund, When the causes and essecis are given, and themeans duly investigated, 500. See Motion of the mari. Where alternate motions areto be produced, a single constantly acting force is osten employed for the purpose, 505, 563. The fluxion of the fibres determines the extension of motions , 519. Two or more motions may eXiSi SimultaneoUSIy tu one body Or eXtense, II., 107. Α knowledge of the motions that do, and do not concord in the animal system, is OfvnSt importanee to anatomy, medicine, and phySiology, ΙΙ., 108. The motions os the living body form an entire series, ΙΙ., 109.
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ΜΟΤΙΟΝ OF THE BRAIΝ : see Animalion, Aura, Brain, Cerebellum, Cerebrum, Cortical Substance, Luny3, Motisu. ΜΟΤΙΟΝ OF ΤΗΕ ΗΕΑRΤ : see Circulation of the mari, Coronam Vesseis, muri, Proper Venets of the mari. The origin Of this motion cannot be under-Stood Dom the particular experience respecting the heari alone : it requires a generalanatomical knowledge, 449. The proximate cause of the diastole is the continued Pressure and action Os the bl ood of the venae cavae upon the right auricle; the proximate cause of the systole is the stretching of the nervous fibres : so that when theblood acts the fibre yields, and vice verεtu, 503, 515, 517, 518, 526. The Sanguineous System is dilated concurrently with the auricles, the ventricles Mone beingcompressed, ibid. The manner in whicli the venous blood occasions these alternate motions, is purely mechanicat; the nerves producing it by their alternate relaxationand constriction, 505. The blood that distends the auricle does not aci beyond thenervOus girilis that surround iis vestibule, or upon the vena cava, 506, 510, 516,5 26. Νervous girilis also surround the ventricles, running betWeen them and the Ruricles, and the ventricles are not expanded beyond these cinctures, the laW being the Same With the ventricles as with the auricles, 507, 526. The proximate cause of the motion of the ventricles is the action of the blood and nerves in the auricles, ibid. The cause of the heari's motion is continuous, and describes a circle DOm thelen ventricte, through the whole sanguineous system, to the right Ventricle, ibid. Ever y potnt in the system contributes to the motion of the heari, 508. See Vena Cava. The right auricle can vibrate many times While the right ventricle vibrates Once, 509, 510, 512. Without a disserent extension of the motion of the two venae cavae, that Of the heart could not be continued, 511. The field os action proper tothe auricle extends Dom the nervous beli surrounding iis vestibule, to iis extremeborder in the ventricie ; and lience the auricle can be moved separalely and alternately, 516, 529. Iis divided and corioint action is testissed by iis partitions, 5J7.Ιt receives a generat excitation to motion Dom the superior cava; a particular eXcitation froin the inferior cava, ibid. The attempt of the proper blood of the auricle tono from the neshy ducis into iis motive fibres, and the passage of the blood of the Superficiat vesseis through iis coronary Orifices, are concurrent causes of the diastole Of the auricle, 517. The efficient cause of iis systole is, that the nervous tWigS onthe Surface are expandest With the furface uself, ibid. But this effect cannot existuntii there is an abundant influx of the blood of the auricle into the right ventricte, Or elSewhere, 518. The systole of the auricle is the cause of the diastole, and vice veraci; the balance of the motion is the surtace, or the superficiat vesseis collectively ; and the tWO venae cavae are the perpetuatly acting poWer, 519. The motion of the right ventricle is to that of the right auricle, as that of the right auricle is to that Ofthe vena cava, 521. The fame rules of motion apply to both, ibid. The auricles and ventricles expand and constrict according to the fluxion of their fibres, bl9526, 530. The alternate motion of the heari dependes upon, and is determined by the auricles, and the right auricle particularly, as iis wheel and lever, 526, 53I, 532. The right auricle extends iis action as far as the lest ventricie, Whicli muSt be COH- Stricted at the fame moment as the right, but cannot be expanded unless the lestauricle aids it, 529-532. Ali paris of the heari are so connected, that WhicheVercomes into motion, contributes to iis reciprocation, 532. The paris and the Wholeare So balanced, that the least thing turtis the hinge of the motion, and the resiStanee, Whicli in the natural state is very slight, is eastly overcome, 533. The Iungs, . and the brains and medullae, are the remote essicient causes of the heari's motion,
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INDEX OF SUBJECΤS. 534. See Lunys. The pulmonary vein is the proximate cause of the diastole of thelest auricle, and the associale cause of the diastole of the vena cava, 535. Theheari's motion is an inferior universat motion, 537. The venous blOod sent down by the brata is the cause of this motion, considered as arising froin the bl OOd, 540. The brata determines iis biood more especialty towards the right auricle, for instance, toWards the right jugular vein, not togards the lest, 541. See Iugular Veins. The action of the cerebrum upon the voluntary muscies is a Very remote cause of thelieari's motion, 544. The cerebrum is a more remote cause of it than the cerebellum, 545. Ιt may be continued sor a time mithout the assistance of any of iis remote essicient causes, 565. AIOTIVE FIBRE : see Mus te. Everything in the body that lives by action, has a motive fibre, Whicli is What acis, and iis suid is What lives : hence motive fibres of different hinns are the main constituent of the body, 486 ; II., 14, 185. Eveniendinous and osseous paris consisted in their infancy of motive fibres, 487 ; II., 14. The doctrine of the motive fibre holds a principat place in the science of the animal economy, ibid. There are as many distinct degrees of motive fibres as of suids in the Vesseis, and these fibres are subordinated to each other, as the causate to the
cause, ibid. ; II., 185, 186. The first motive fibre is called the medullary fibre in the brain, the nervous fibre in the body, ibid. ; ΙΙ., 185, 186. The second, derived Dom the first, is the vesset of the purer blood, or the white motive fibre, 488 ; II., 185, 186. The third, composed of the firsi and second, is the vesset of the redblood, ibid. The laurili is the muscle, ibid. ; II., 185, 186. The simple motive
fibres uel in the Same manner as the compound , only more persectly, ibid. The various Orders of motive fibres can act upOn each other, producing action and reaction, ibid. Ιf any part of the body loses iis motive fibre, it changes iis active for a passive character, and lives no longer in particular, but Only in generat, II., I 4.Μotive fibres are sub determinant and mediant substances, ibid.ΜUscLΕ. Α muscle is laur-sold in origin, Order, nature, compOSition, and name : there is the muscle itself; then the fleshy motive fibre, or the fibre of the redblood ; the white motive fibre or that of the pellucid blood ; and lastly the nervous fibre, I 09, 191, 452, 487, 488 ; ΙΙ. , 50, 185. A fibraled vesset is the One forceand S Stanee proper to a muscle, 116. The motive fibres are formed of blOOd-VeSSel S, 191. The muscies are necessarily constricted when their arterial blood is eXpelled, 191, 388. The muscies attraci their own blood as they require it, 329, 333. See Molive Fibre. The action of the spirituous fluid through the fibres, and the reaction Os the blood through the vesseis, is the essicient cause of the motion Osthe muscies, 489 ; ΙΙ., 66. Without the generat equilibrium os pressure eXerciSed by the arteries, muscular motion Would be impossibie, 490. Μuscular actioneXiSis DOm tWo causes ; One On the part of the brain, the other on the part of thebody, 490-499. The causes On the part of body are as numerous as the naturalmotions, 493. They compriSe ad the various species of touch in ad the Viscera, that excite the fibre conformably to iis simple or compound structure, 497. So longas the animation Os the brains coincides With the pulsation of the heari, as in theembryO, no muScular motion Save that of the heari, arteries and vetiis, is possibie, 501 ; ΙΙ., 66. As soon as the muscies begin to aci individually, the change incites the birth of the embryo , 502; ΙΙ., 66. See Motion of the mari, Tendon. The cortical spheriales are the eminent muscies, II., 186. See Genesis of culti . ΜUΤΑΤΙΟΝ. The principie Os modificatory activity in the supreme aura is Some- times called mutation, 131, 133, 283 ; II., 303. The Ρower of expansion and com-
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pression in the auras, is their accidental or natural mutation, ΙΙ., 303. Persect and persistent constancy in form and essence ever accompanies the perfeci mutability of the higher entities, II., 304, 305. Νο real Or essentiat mutation can happen to the spirituous suid in regard to iis principie of motion, II., 304-306. It is cap te of a Superior essential mutation in regard to iis reception Os lise, II., 306-308 But this, only of the most generat Lind, ΙΙ., 308. The superior essenties mutationos the foui springs entirely Dom the Dee choice of the mind, ΙΙ., 317. ΝΑΜΕ. When the name given to an unknown quality becomes familiar, Wethink that We understand ali it comprehend8, 49. See Term. ΝATURE ; see Chemistry. Nature's real state is activity : hence nature is an active force, I 29. Nothing impedes her progress , because She proceeds accordingio degrees, hom principies, through causes, to effecis, 164. See Astrono , Molion. Her lam is constant in iis causes and essecis, 383. She is alWays in her ari, and in the rules of her ari, 454. Nature, Without degrees and momenis, Or Without a compleX and Series of things, is not nature, II., 5. By the nature of a thing Wemean ius principie of motion and rest, in Whicli it is of itself, and not by accident, ΙΙ., 37. Nature is everywhere self-similar, II., 157. Nature, in iiself, is dead, and Only serves life as an instrumental cause; and is altogether subject to the willof the intelligent being, who uses it to promote ends by effecis, II., 223, 298. The Worshippers of nature are insane, II., 243. See End. The circle of natureis made up of perpetuat ollier tesser circles ; and these, os least circles ; and eachpoint in every circle respectes iis centre ; and by this the commoti centre of ali thecircles; being, therefore, in iis circumferenoe, ΙΙ., 268. We muSt gain a clear perception os life Or Wisdom as distinct Dom nature, ΙΙ., 298. NECESSIΤY. What is done os necessity and compulSion is not regarded res prOceeding Dom any cause in the agent, ΙΙ., 328. ΝERVEA. The fibriis of the nerves are the third order of vesseis, 1 II, 112. See Fibre, Venel. The nervous fibres terminate in the blood-vesseis, 115, 191. See Neurolov. The nervous fibre, in iis simplicity, may most 1itly be compared Withthe artery; being an artery by eminence, 45 I, 489,; ΙΙ., 15 I. The fibre of thenerve carries the Simple or spirituous blOod; that of the artery, the compound Ormaterial blood, ibid. , 489. The nerves, in their principies, are formed With a vie to the uses they are to perform at their extremittes, 452. In their ultimates theyagain tali into almost simple fibres, as in their primes, ibid. , 489, 501. They fallinio simpler 1ibres Where they have to receive sensations ; into less simple fibres wherethey have to execute motioris, ibid. They are nearly similar at both ends, but in the intermediate course are properly nerves, 453, 489. All the actions possibie in any one Subjeci are represented by iis nerves, 453. See Ganglia. The nervous fibre, at iis extremities, when permeated by iis fluid, expands both in tengin and breadth, like the artery, 489. See Nereous Huid. Besore it enters the muscular tissue, itioses the nervous fluid contained belween iis fascicles, 501. Through the tunices oseach nervous fibre run exquisitely fine spirat vesseis, II., 151. Through the tunicof the nerve runs the spirituous fluid ; through iis canat, the purer blood ; betWeeniis fibres, the most volatile salis and serum of the purer blood; betWeen the fascicles of fibres, Other saline corpuscules, with their serum, ibid.ΝERVoUS FLUID, the, is the fluid belween the fascicles of the nerves, as the spiritu us fluid is that within their fibres, 50 I. ΝEUROLOGY. The science of the nerves must be approached DOm above, after We have understood the cortical and medullary substances of the brains, 451.
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INDEX OF SUBJECΤS.ΝORE. The uir received through the nostriis excites the brain to contractiori atthe moment it is passing through the trachea to the lungs, 26 I, 262 ; II., 88, 89. See Brain, Respiration, Sneezinst. OCCULΤ : See Author, Destree. OIL. Salis of the second degree produce Oiis; the Surface of the Od-particles being constituted of such salts, while the internat cavlty is occupied by ether, 54. Oils in combination with fixed salis forin urinous, grossi y SulphurouS, falty, nitrOuS- aeriai and other prevassing vegetable and animal matters, 54. See Sali, Spirit. OPPOSITES may be mensured by euch other, 200. ORDER. According to the order of nature, an obScure and common notion precedes a distinci and particular one, 3, 6. We must go through Orders unddegrees to pass Dom the sphere os effecis to that of causes, 51, 62, 227. See Blood, Destree. The bl ood-globule is a subordination Os causes, 64, 178. An understandingos the subordination Of things is necessary to a linowledge of causes, 5 I, 178, 229 ;II., 1, 203. Subordination is preeminently exemplissed in the human body, 199, 233. See Succession. Before anything is coordinated, it must be subOrdinated, 227, 245. See me. The formative substance subordinates and coordinates allthings most perfectly, 233. Without complete subordination Os One ining to another, there would be no life in the body, 286. Without the doctrine of order it is impossibi e to follow nature When She passes inWards, II., 2, 203. Order exi sis in perfection in the animal kingdom, that Lingdom being therefore a living exemplar Ofali other things in the worid that observe any Order, ΙΙ., 4. SucceSsive and simultaneous in the animal kingdom are identicat with subordinate and coordinate, II., 5. In the bodily system one ining is So subordinated to, and coordinated With, another, that ali things are mutuatly respective, and mutuatly dependent, II., 20. The perfection of an Order resulis Dom the persection Of the firsi substance in the series II., 26. ORGΑΝ. The instruments in living bodies are organs, II., 232. See Animal Spirit. The spirituous fluid is the supereminent organ of the body, ΙΙ., 253. An organ neceSSarily comprises a series of things, and a form of things, ibid. The Orgin under the Soul Or spirituous fluid, is the mind, II., 260. The nexi lower organ is the animus, II., 261. Fourth or last there are the organs Of the sive externat Senses, II., 262. And also the motory organs, the last of Whicli are themuscies, ibid. The motory and sensory Organs constitute the body, II., 263. Νοt-Withstanding the number of degrees, yet the animal system consists of nothing butthe foui and the body; for the intermediate organisms are but determinations of thesoul, and partine of both it and the body, II., 265. These determinations OrorganiSms partine Of the body oesy in so sar as the derived fluids partise of terrestriat particles, ΙΙ., 267. ORGΑΝ1sΜ. The condition Of the organism is not the cause of the internalfaculties, 241, 243. When the intermediate organism is injured, the foui cannot pass into the ultimate degree excepi accOrding to the state of such organism, 242, 243. See Oman. ΡΑΠΤICULAR : See Generat. We learn the generat texture of organs by caresulanatomicat investigation; but the particular, by the intellect, in the analytic Way, DOm a close eXamination Of the generat, II., 280. ΡΑR VAGUΜ. Ιt is an Ossset of the cerebellum, 265, 350, 471, 546. See Intercostal Nerve, Lunm. Ιt arises by a single root, not by multiple roots like the intercostat nerve, 465. It is sent to ali those viscera Where any natural Or Spon-