912 CATALOGUE OF PHANEROPNEUMONA. 
Pomatias, Studer, in Coxe’s Trav. in Switzerland, 1789; Verzeichn. 
p. 21; Hartm. in Neue Alpina, i. pp. 204,214, et in Sturm’s Fauna, 
vi. 5, p. 834; Cristof. & Jan. Catal. p.6; Rossm. Iconogr. vi. p. 50 ; 
Villa Disp. Syst. pp. 28, 58; Gray, Syn. Brit. Mus. 1842, p. 91; 
Proc. Z. 8. 1847, p. 182; Catal. Cycloph. p.61; Graell’s Cat. Moll. 
Esp. p.8; Troschel, in Z. f. M. 1847, p.43; Pfr. in Z. f. M. 1847, 
pp. 47, 110; 1851, p. 174; Consp. p. 46; Pneum. Mon. p. 296; 
Petit, in Journ. Conch. i. 1850, p. 47. 
Cyclostoma sp., Drap, &c. 
A. Peristome eared : : A ; 5 Wags bhi) = 
B. Peristome not eared y Maar eee faa 
§ 1. Peristome eared. 
1. PoMATIAS AURITUS. B. M. 
Shell with a slight covered perforation, turreted, horn-coloured- 
grayish, sculptured with crowded hair-like ribs, and, on the 
middle whorls, with more distant, stouter, sharply-raised ribs ; 
spire tapering towards the apex, which is rather blunt ; whorls 
9, moderately convex, last cylindrical ; aperture nearly perpen- 
dicular, rather circular; peristome double ; inner edge almost 
continuous, appressed on the penultimate whorl, white-lipped 
interiorly, expanded; outer edge dilated, spreading, angularly 
eared on both sides. Length 12, breadth 5! mill. 
Cyclostoma auritum, Ziegl. MSS.; Rossmassl. Ic. vi. p. 50, t. 28, 
f. 398; Sow. Thes. n. 162, p. 148, t. 28, f. 172; Pfr. Ic. n. 207, 
p. 185, t. 26, f. 4-6. 
Cyclostoma excissilabrum, Mihif. MSS.; Pot. & Mich. Gal. i. 
p. 236, t. 24, £. 5, 6. 
Cyclostoma .... Contraine, Malac. Mediter. t. 8, f. 5. 
Pomatias excissilabre, Cristof. & Jan. Catal. p. 6, n. 4. 
Pomatias aurita, 7'’rosch. in Z. f. M. 1847, p. 43. 
Pomatias auritus, Pfr. in Z. f. M. 1847, p.110,n.1; Gray, Cat. 
Cycl. p. 61, n. 1; Pfr. Consp. n. 440; Pneum. Mon. p. 297. 
Hab. Dalmatia, Montenegro, Albania. 
2. PoMATIAS OBSCURUS. B. M. 
Shell perforate, conic-turreted, sculptured with crowded rib-like 
striz, horn-coloured, with three interrupted chestnut-coloured 
bands; spire with the apex rather blunt; whorls 8-9, somewhat 
convex, the last one sometimes decussated with distant spiral 
lines, obsoletely angulated beneath; aperture perpendicular, 
ovate-roundish ; peristome rather double, white; inner edge 
continuous; outer edge white-lipped, spreading angularly, with 
the left margin slightly eared. Length 13, breadth 5 mill. 
