115 



thickj reflected ; umbilicus very large. First brought from 

 Lueon by J. K, Smith, Esq. Mr. Cuming has collected 

 numerous varieties, generally under decayed leaves, in Mas- 

 bate and Lucon, &c. 



71. C. CANALIFERUM. (pi. XXvii. f, 140. 141. 142.) nob. 



Zool. Proc. June, 1842, p. 81. C. Gironnieri, Soul, in Rev. 

 Zool. April, 1842 ? 



T. orbiculari, subdepressa, crassiuscula, albicante, brunneo- 

 marmorata ; spira depressa, obtusa ; anfractibus quatuor, 

 rotundatis, spiraliter striatis et superne cariniferis, prope 

 suturam brunneo albidoque articulatis et cingulo centrali 

 brunneo ornatis : sutura canaliculata, margine canalis eleva- 

 to ; apertura circulari, peritremate incrassato, reflexo, versus 

 umbilicum patulum lamelloso-patente ; operculum corneum, 

 anfractuum margine lamellari levatiusculo. 



Shell orbicular, rather depressed, thickish, whitish, mar- 

 bled with brown ; spire depressed, obtuse ; volutions 4, 

 rounded, spirally striated and carinated posteriorly, articula- 

 ted with brown and white close to the suture, and with a 

 central brown band : suture canaliculated, margin of the 

 canal elevated : aperture circular, peritreme thickened, reflec- 

 ted, spreading in a lamellar form and partly covering the wide 

 internally spirally striated umbilicus ; operculum horny, the 

 edge of its volutions lamellar and raised. Islands of Lucon 

 and Burias, H. Cuming. 



72. C.CuviERiAXUM.(pl.xxx.f.218.219.) Petit. Rev. Zool. 

 T. suborbiculari, subdepressa, tenuiuscula, striata, bicari- 



nata, fulvo-rufescente, spira subdepressa, anfractibus 4, rapide 

 crescentibus, rotundatis, postice, concinne spiraliter striatis, 

 carinis duabus, validis, antice striis gradatim majusculis 

 ornatis ; sutura oblita ; apertura magna, fere circulari, postice 

 paululum acuminata, peritremate lato, foliaceo, reflexo, 

 expanso ; umbilico magno, spiraliter striato. 



Shell suborbicular, somewhat depressed, rather thin, spi- 

 rally striated, reddish brown ; spire slightly depressed, with 

 4 volutions, increasing rapidly, rounded, and spirally striated 

 posteriorly, with two prominent keels, and furnished in front 

 with gradually increasing strise ; suture indistinct ; aperture 

 large, nearly circular, a little acuminated posteriorly and with 

 a broad, foliaceous, reflected, spreading peritreme ; umbilicus 

 large, spirally striated. Lately received from Madagascar, 



73. C. Oculus-Capri. (pi. xxv. f. 96.) Helix Oculus-Ca- 

 pri, Wood. Ind. Test. t. 32, f. 7. C. Volvulus, Lam. vi. 2, p. 

 143. C. Rafflesii, Sow. Zool. Journ. 



