Conchyliologie fluviatile de la province de Nanking

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CYCLADI DEES

Te Sta cras Sa valde, ponderosa, antice breviato-rotundata, postice valde producta, plicis perobliquis, erebris.

Conu PORT. VRP. b. Testa Sub- raSs', tranSVersi elliptica umbonibus profunde erosis plicis crebris Sulcisque Sirietis.

32 C0RBICUL IGNOBILIS. H. TeSta crassa, Solida, compressa, Sub-aequila lerali, an lice OSticeque rotundato-

obtuSala, plicis obliquis crebrisque arcuato-striata epidermidem viridi susc0- nigri cante; umbonibus obtusis prosis ligamine mediocri iussato lunula obsoleta; dentibus brevibus, medio crasso, recto claminarum valde inaequalium antisto longiore margarila sordide viola ea, vel alba laminis maculatis. Long. 30 ali. 26, crass. 14 millim. Habitat L pelitu rivi sire qui drain te ac de Peng-tse-hien, ait pie des

349쪽

CYCLADI DEES

Testa parva, tenui, Vix solida, Ub- compreSSa, transversim late elliptica, Utrinque sub-attenuata, plieis argutis, sulcisque lati distincla epiderm id lute0- fusca vestila umbonibus obtusis, a te erosi M ligamine tenui, ad presso lunula obs0leta dentibus tentissimis, medio antice obliquo laminis sub- aequalibus; margarita sordide obscureque violacen Long. 22 ait. Ἀ8, crass. 10 millim. Habitat Les petits ruisseauxi Kien-tθ-hien, parti Sud di territoire.

TeSta parva, craSSa, Solida, turgida, in aequilaterali, antice breviata, postic sub proaucia, plici minutis, Sulci Sque valde latis, plani S arcuato-Striata epidermidususca vestitas umbonibus retorti S introrsis, approximatis ligamine bruvi, inflato lunula obs0leta, filo cineta dentibus crassis, medio sub-obliquo claminis incurvatis, antica longiore marginali margarita Saturate violacea intima alba. Long. 20, ait : 18, crass. 16 millim. Nabitat. Ruisseau dualen-t6-hien sud. 0bservat. Coquille remarquabie, appetant a Varisitsirat, a.

38. ORBICUL FERRUGINEA. H.

Testa parVa, tenui, solida, Sub- rotundata, plicis Sulcisque minutis arcuato striata, epiderm id nigri canti vestita umbonibus eminulis, ero sulis, Sub introrSi S approximatis cligamine tenui, Sub-in stato lunula obsoleta dentibus minutissimis, medio recto lamina antica Sub-longiore margarita tale ad laminam posticam, Saturaleque Violacea imo albida, caeterum livide caerulescente. Long. 17 ali. Q 6, craSS. 10 millim. Habitat. Unu0rrent dans te district decis' ing-Sang. 39. CORBICULA IRIDINEA. H. Testa mediocri, Sub- tenui, Solida, Sub-rotunda, sub-inssala, postice productiore,plicis obliquis, irregularibus, arcuato-Striata epidermi de brunnea vestita umbonibus introrsis, approximalis, er0Sulis; ligamine longo tenui, adpresso lunula

350쪽

obsoleta dentibus parvis, medio recto laminarum inaequalium antica incurvata; margarita plus minuSV Saturate violaceo-20nata. Long. 22, ait : 19, cras S. 12 millim. Habitat. Un torrent didistrici deIs ing-yang, avecta prsiesidente. 40. CORBICULA PRAETERITA H. Testa crassa, Solida, Sub-00mpressa, Sub-trigotia, Baequilaterali, postice vix producta, antice sub- dilatata, pliei argutis, Obliquis, sulcisque strictis arcuato- striata epidermi de Iuleo-sucescente vestita umbonibus turgidis, parvis, intror sis, integris ligamine tenui, longo, adpresso lunula conspicua, Stricta, tenui carina circumcincta; dentibus parvis, medio regis; laminis sub- aequalibus; margarita albida, vel ObSgure Violacea. Long. 30 ali. 29, crass. millim. Habitat Ledae Ρ'o-SaDS. 41. CORBIcULA AUREA. H. Testa crassa, solida, inar qui laterali, transVerSim oblonga posite productiore,plicis acutis, sulcisque latis arcua lo-stri ala epidermide lutea, nitida, Vestita; umbonibus attenualis, turgescentibus, uncinati S introrSis, antice pronis, integerrimis ligamine brevi, sub- in stato lunula conspicua, lata, illari carina circumdata dentibus parvis, medio crasso, Sub- obliquo laminis Sub-aequalibus; margarita lactea. Longo 26, ait : 25, crass. Q millim. Habitat La rivi sire tang, province de Hou-nan. 42. CORBICULA PRESSEPLICATA. H. Testa enui, solida compressa, transverSim ovata, plicis crebris sub- confusis arcuato-Striata epidermi de nigri ante vestita umbonibus obtusis, truncato corrosis digamine longo, tenui, ad presso clunula obsoleta identibus parvis, medio compreSSO, recto lamina antica longiore margarita livide violacea. Longit. 49 ali. 23, crass. Q millim.

Habitat La rivisire de San-h0 distri et de Ho-ssi avant son entre dans te lac