﻿CLAUSILIA.— Plate XL 



aperlurd succined, lahio extenw, superne emargl- 1 

 natOi supra medium sinuatim tumklo, viargine 

 crenulato ; columelld infra laminam triplicato. 



The half-denticulated Clausilia. Shell rather 

 short, fusiform, plum, smooth, apex amber ; 

 whorls eleven, middle ventricose, last elongated 

 at the back, unwound, tortuous, with a groo ve 

 in the middle ; aperture amber, outer lip emar- 

 ginated, sinuously tumid above the middle, 

 margin crenulated ; columella triplicate below 

 the lamina. 



Pfeiffer. Mon. Helic. VI. p. 509. 



Hah. Turkey ; on the banks of the Bosphorus. 



102. (Mus. Brit.) 



Clausilia Portunei. Cla. tesid elongato-foisiformi, 

 solidd, obscure plumbed, tenuissiine striata ; an- 

 fractibus quaferdecenis, superioribus attenuatis, 

 medianis et inferioribus veniricosis ; ■ultimo elon- 

 gato, medio compresso ; aperturd magna, auri- 

 formi, succined, margi^ie albo, crasso, lamina colu- 

 mellari magna, crassd, margine columellari medio 

 sinuato. 



Fortun's Clausilia. Shell elongated-fusiform, solid, 

 dull plum, very finely striated ; whorls fourteen, 

 upper attenuated, middle and lower ventricose ; 

 last elongated, middle compressed ; aperture 

 large, ear-shaped, amber, margin white, thick ; 

 colnmellar lamina large, thick, columellar mar- 

 gin sinuous in the middle. 



Pfeiffer. Mon. Helic. VI. p. 494. 



Uab. Shanghai. 



Species 103. (Mus. Brit.) 



Clausilia Bergeei. Cla. testd subfusiformi, fasco- 

 plumbed, Icevi ; anfractibus undecenis, medianis 

 oentricosis, vltimo elongato, birugafo ; aperturd 



subtrigond, lahio externo supra infraque acumi. 

 uato. 



Berger's Clausilia. Shell subfnsiform, brown-plum, 

 smooth, whorls eleven, middle ventricose, last 

 elongated, with two wrinkles ; aperture rather 

 trigonal, outer lip acuminated above and below. 



Maver. Pfeiffer. Mon. Helic. VI. p. 422. 



Hah. Bavaria. 



Remarkable for the peculiar triangular form of 



the mouth. 



Species 104. (Mus. Brit.) 



Clausilia seeicata. Cla. testd hrevi, fiisi/ormi, ven- 

 tricosd, Icevi, fusco-plumbed ; apice et aperturd 

 sHccineis ; aperturd magnd, margine ettpanso ; 

 lamina columellari lato, elevate, laminis internis 

 quatemis. 



The silken Clausilia. Shell short, fusiform, ven- 

 tricose, smooth, brown-plum, apex and aperture 

 amber ; aperture large, margin expanded ; colu- 

 mellar lamina broad, raised, four internal 

 laminiB. 



Pfeiffer. Mon. Helic. VI. p. 492. 



Hah. Euboea. 



Species 105. (Mus. Brit.) 



Clausilia Lerosiensis. Cla. testd obscure plumbed, 

 acute et crebr'e laminatd, subfusiformi, anfractibus 

 undecenis, apicalihis Imvigatis, medianis ventri- 

 cosis, ultitno elongato, ad dorsum costis distanti- 

 bus lirato ; aperturd triplicatd, auriformi. 



The Leros Clausilu. Shell dull plum, sharply and 

 closely laminated, rather fusiform ; whorls 

 eleven, apical smooth, middle ventricose, last 

 elongated, ridged on the back with distant ribs ; 

 aperture with three plaits, auriform. 



Ferruss.\c. ? 



Hah. Island Leros. 



