19G 



aperture longitudinal, narrow, toothed on both sides; the extremities effuse; 

 spire very small, hardly perceptible. 



A catalogue of all the recent species of the genus Cyprnea, by G. B. Sowerby. 



C. princeps, 



mappa, 



tigris, 



pantherina, 

 mauritiana, 



stercararia, 



aurora, 



leucodon, 



sulcidentata, 



Arabicula, 



lynx, 



vitellus, 



carneola, 



cinerea, 



Reevei, 



obscurus, 



achatina, 



arenosa, 



nivosa, 



Broderipii, 



exanthema, 



cervus, 



testudinaria, 



talpa, 



exusta, 



argus, 



scurra, 



pulchra, 



Isabella, 



controversa, 



lurida, 



microdon, 



Scottii, 



C. camelopardalis, of Per: 



mus, 



tessellata, 



annulata, 



margaritn, 



cicercula, 



globulus, 



staphylsea, 



nucleus, 



Madagascariensis, 



guttata, 



poraria, 



albuginosa, 



Listen, 



gangrenosa, 



citrina, 



helvola, 



bicallosa, 



spurea, 



flaveola, 



erosa, 



Lamarckii, 



ocellata, 



turdus, 



caput serpentis, 



annulus, 



obvelata, 



moneta, 



asellus, 



maculata, 



interrupta, 



hirundo, 



stolida, 



neglecta, 



C. punctata, 

 pulchella, 

 pyriformis, 

 Walkeri, 

 Humpreysii, 

 tenes, 

 tabescens, 

 cylindrica, 

 cribraria, 

 Goodalli, 

 Cumingii, 

 caurica, 

 cruentata, 

 errones, 

 felina, 

 irrorata, 

 spadicea, 

 onyx, 

 pyrum, 

 picta, 

 zonata, 

 xanthodon, 

 nigro-punctata, 

 pallida, 

 punctulata, 

 ziczac, 

 undata, 

 clandestina, 

 lentiginosa, 

 contaminata, 

 sanguiolenta, 

 fimbriata, 

 angustata, 



12 



piperita, 



algoensis, 



edentula, 



similis, 



fusco-dentata, 



capensis, 



pustulata, 



Adansonii, 



ovulata, 



aperta, 



carnea, 



maugeria?, 



australis, 



rufescens, 



Europaaa, 



sanguinea, 



quadripunctata, 



globosa, 



exigua, 



subrostrata, 



fusca, 



oryxa, 



nivea, 



pulex, 



pediculus, 



pacifica, 



suffusa, 



Californica, 



solandri, 



radians, 



depauperata, 



Childrini, 



fossil species. 



melanostomus, of Sowerby, $ shells. 



are young C. Arabica, var. Histrio. 



Terebellum. Shell convolute, subcylindrical, pointed at the summit; 

 aperture longitudinal, narrow at the upper part, notched at the base. Col- 

 umella smooth, the lower part truncated. 



T. subulatum, 2 fossil species. 



Ancillaria. Shell oblong, subcylindrical, spire short, not channelled at 

 the sutures; aperture longitudinal, scarcely notched at the base, effuse. A 

 callous and oblique varix at the base of the columella. 



A. cinnamomea, 

 ' ventricosa, 



A. marginata, 

 ' Candida, 



A. volutella, (n. s.) 5 fossil species. 



