﻿CLAUSILIA.— Plate XVII. 



KCster's Clausilia. Shell thiu, horny, sub fusiform, 

 smooth, whorls twelve, apical turbinated, last 

 attenuated below ; aperture oblong, raised at 

 the suture ; columellar plait large. 



RossMASLER. Pfeiffer. Mon. Hel. II. o99. 



Clansih'a suhdrlata. Kiister ? 



Hah. Sardinia, Corsica. 



Species 162. (Mus. Brit.) 



Clausilia septemplicata. Cla testa fused, Imvi, fmi- 

 fonni, medio ventricosd ; anfractihiis novenis, ad 

 ndnram minute albo tuherculatis, ultimo i^ro- 

 longato, ad dorsum stigmate albo elongato flexuoso 

 notato ; aperturd magna, margine alio, plied 

 parietali minutd, plied columellari elongato, jMcis 

 internis ei subinternis quinis. 



The seven-plaited Clausilia. Shell brown, smooth, 

 fusiform, middle ventricose ; whorls nine, with 

 minute white tubercles at the suture, last pro- 

 longed, marked at tte back with a white, long, 

 flexuous stigma ; aperture large, margin white, 

 parietal plait minute, columellar plait elongated, 

 interior and subinterior plaits tis-e. 



Philippi. Pffr. Mon. Hel. II. p. 4.52. 



Clausilia praslna. Benson. 



Clausilia sublavis. Zeigler. 



Clausilia serieina. Rossmasler. 



Hab. Sicily. 



Species 163. (Mus. Sowerby.) 



Clausilu MONTANA. Cla. testd parvd, priiinosd, teiiu- 

 issime striata, fusi/ormi ; anfractu idtimo ad dor- 

 sum infra subearinato, ante apertwam tumido, 

 turn eoarctato, aperturd fnlvd, oblonga, plica in- 

 ternd perpendicidari, colnmelhl biplicatd. 



The Mountain Clausilia. Shell small, plura- 



colourcd, very finely striated, fusiform ; last 

 whorl with a keel at the back below, tumid 

 before the aperture, then drawn in; aperture 

 fulvous, oblong, with a perpendicular internal 

 plait ; columella two-plaited. 



MODSSON. ? 



Hab. Mountains in Europe. 



Species 164. (Mus. Sowerby.) 



Clausilia Lowei. Cla. tcstd pared, pntinosd, siih- 

 di.'itiudrr Vinitd, liris filiform ibus ; anfractibus 

 di'i-iiiif, iii';li',i Ill's imferioribus convexis ; aperturd 

 siibannd, m iiltiplicatd. 



Lowe's Clausilia. Shell small, plum-coloured, rather 

 distantly ridged, ridges filiform ; wboj-ls ten, 

 middle and lower convex : aperture pale orange, 

 many-plaited. 



Albees. Kiister, p. 177. 



Clomilia deltosioma. De Paiva. 



Hab. Madeira. 



Species 16"). (Mus. Sowerby.) 



Clausilia vibex. Cla. testd hm-i, ri'iilric".-<f!, pullidi 

 priiinosd; anfractibus luirruis, aJ .•iiitiinim mi- 

 niitissime plicatis, ultitim in-ifiniilt' riiiiaf'i, mfrd 

 subearinato; aperturd magud, margine tenui, 

 expanso, plieis parietali et columellari crassis ; 

 labio bxterno snperne incrassato. 



The beuise-maek Clausilia. Shell short, ventricose, 

 pale plum-colour ; whorls nine, very finely 

 plaited at the suture, last deeply notched, with 

 a slight keel below ; aperture large, margin 

 thin, expanded, parietal and columella thick, 

 outer lip thickened above. 



Rossmasler. Pfeiffer. Mon. Hel. II. p. 40.5. 



Clausilia diplana. Heutz. 



Hah. Central Croatia. 



