17 1 



ORCULA. ( 



r Base well rounded ; no palatal fold ; lamellae very strong 

 within. Upper Mesopotamia. 0. mesopotamica, no. 9 

 Eight margin of peristome thickened, tooth-like within ; 

 9x3 mm., 11 whorls. Brussa, Asia Minor. 



0. scyphus, no. 12 

 Last whorl tapering, compressed below; a long lower- 

 palatal fold ; 8.2 x 3.2 mm., 9y 2 whorls. Sert, Kur- 

 distan. 0. s. palatalis, no. 125 



1. Orcula dolium (Drap.). PL 1, figs. 1, 2, 3, 4. 



The shell is deeply rimate, perforate, cylindric with short, 

 conic summit and somewhat obtuse apex; russet or somewhat 

 lighter, with a white area behind the lip ; glossy ; finely, 

 irregularly striate. Whorls slightly convex, the last slowly 

 ascending towards the aperture. Aperture truncate-oval, ver- 

 tical, the peristome white, slightly expanded, thickened 

 within. Parietal lamella entering spirally nearly one whorl, 

 not reaching the edge of the thin parietal callus. Columella 

 bearing two rather low lanielke which are visible in direct 

 front view but do not reach the peristome; these are sub- 

 equal, or the lower one may be slightly stronger or more 

 emergent. They ascend inward somewhat more than one 

 whorl. 



Length 6.8, diam. 3.4 mm. ; 8VL> whorls. Lyons. 



Length 5.6, diam. 3.2 mm.; 8y 2 whorls. Lyons. 



Middle and lower Rhone valley and Maritime Alps to the 

 Carpathians; a subspecies extending northward in loess of 

 the Rhine valley, another in Greece. 



Pupa dolium Draparnaud, Tabl. Moll. France, 1801, p. 58 ; 

 Hist. Moll. Fr., p. 62, pi. 3, f . 43.— Pfeiffer, Monogr., ii, 325 ; 

 iii, 540; viii, 368 (see for older references). — Rossmaessler, 

 Icon., pt. 5, p. 17, f . 330, 331. — Reinhardt, Sitzber. Ges. 

 naturf. Freunde Berlin, 1880, p. 18 (distribution). — Branc- 

 sik, Jahresheft Trencsiner Comitates, x, 1887, p. 81, pi. 1, 

 f. 11-19, with var. titan, forms obesa, cylindrica, curta; var. 

 minima, with forms obesa, cylindrica, curta. 



Orcula "doliformis Bruguiere," Locard, Conchyl. Fran- 

 chise, les Coq. Terr, de France, 1894, p. 322, figs. 450-1. 



