COCHLICOPA. 309 



Cionella JEFFREYS, Trans. Linnean Soc. of London, xvi,~ 

 1829, p. 347, for lubrica, acicula and elongata (= B. octonus 

 Brag.}, 



Zua Leach, in TURTON, Manual of the land and fresh- 

 water Shells of the British Islands, 1831, p. 82, for Zua 

 lubrica, in synonymy under Bulimus lubricus. GRAY, in Tur- 

 ton, edit. 2, 1840, p. 187. LEACH Synops. Moll. G. B., edit. 

 Gray, 1852, p. 81, for Z. lubrica. 



Styloides FITZINGER, in part, Systematisches Verzeichniss 

 der im Erzherzogthume Oesterreich vorkommende Weieh- 

 thiere, in Beytrage zur Landeskunde Oesterreichs, iii, 1833, 

 p. 105, for S. acicula and S. lubricus. 



Folliculus Agassiz MSS., CHARPENTIER, Catalogue des Mol- 

 lusques terrestres et fluviatiles de la Suisse, Neue Denk- 

 schriften der allg. Schweizerischen Gesellschaft fur die 

 gesammten Naturwissenschaften (Nouveaux Memoires de la 

 Societe Helvetique des Sciences Naturelles) i, 1837, p. 14, for 

 Bulimus lubricus only. 



Achatinella SCHLUETER, in part, Kurzgefasstes systema- 

 tisches Yerzeichniss meiner Conchyliensammlung, Halle, 1838, 

 p. 8, for acicula, folliculus, unilamellata (Schlueter, not 

 described), lubricoides, lubrica. 



Hydastes PARREYSS, Systematisches Verzeichniss der im 

 Erzherzogthume Oesterreich bis im Jahre 1849 aufgefun- 

 denen Land- und Fluss-Conchylien, in Berichte ueber die 

 Mittheilungen von Freunden der Naturwissenschaften in 

 Wien, gesammelt und herausgegeben von Wilhelm Haidinger, 

 vi, 1850, p. 98, for H. lubricus Drap. 



The shell is oblong-conic or oblong-cylindric, imperforate, 

 smooth and glossy, composed of 5 to 7 slightly convex 

 whorls. Aperture small, ovate, nearly vertical, toothless. 

 Outer and basal lips arcuate, obtuse, thickened within by a 

 -callous rim which is continuous to the upper insertion ; colu- 

 mella short, concave or straightened, very slightly sinuate 

 at the base ; parietal callus very thin throughout. 



The foot is rather short, without distinct parapodial 

 grooves (in drowned alcoholic examples). Sole indistinctly 

 tripartite. Kidney (page 213, fig. 2, K), long- triangular, 



