POLLTCARIA. 



J91 



t'loiii the left margin of the peristome by a deep furrow ; opercu- 

 linn cak-areoiis, thick, slightly I'oncave oii the outer side, tlie 

 whorls increasing slowly, the last, in full-grown specimens, 

 becoming gradually attenuated ; the inner with only 1| whorls, 

 tlie last raised, almost covering the remainder, with a periostracum, 

 and an umbilicus-like cavitv. 



127G. Pollicaria gravida, Benson. 



Mecjalo^nastoma yravidum, Benson. A. M. N. H. ser. 2, xvii, I80G, 



p. 229 ; Tiieobald, J. A. S. li. xxvi, 1857, p. 247 : l^tViffer, Mon. 



-Fneuiu. Suppl. J, I808, p. 79; Hanlev & Theobald, Conch. Ind. 



]870,pl. 7,%. 1. 

 IL/hucystis (jravida, Benson, A. M.N.H. ser. 3, iv, 1859, p. 91; 



'Pfeitier, Novit. Conch, ser. 1, i, 1860, p. 123, pi. 35, tigs. 1-4 ; id., 



-Men. Pneum. Suppl. 2, 1805, p. 56; Theobald, Cat. Shells l.rit. 



India, 1876, p. A(i {-{-Otojjoynn blenmis) ; NeTill, Hand Li.-t, i. 



1878, p. 298: Ciosse, Journ. Conchyl. xxxiii, 1885, p. 187; 



Tapparone Canefri, Ann. 31us. Civ. Genova,str. 2, vii, 1889, p. 309 



(+ O.biennus): Cooke, Cauibr. Nat. Hist, iii, 1895, p. 305, text- 

 tig. 205; Kobelt & Mollendoiff. Nachr. Dents. Malak. Ges. xxxi, 



1899, p. 137 ; id.. Cat, Pneum. 1899, p. 105. 

 Pollicaria gravida, Sowerby, Thes. Conch, iii, 1864, pi. 263, fig. 5 



(+ r. poUex); Stolic2ka'. J. A.S.B. xl, 1871, p. 150 (animal); 



Keeve, Conch. Icon, xx, Pupinidte, 1876, pi. 8, tig. 68 ; Kobelt. 



Das Tierreich, Lief. 16, 1902, p. 289, text-tig. 65. 

 Cyclostoma {Pollicaria) pulle.r, Gould, Proc. Boston Soc. Nat. Hist. 



vi, 1856, p. 14. 

 Otopoma bleufi'js, Benson, A. M. N. H. ser. 2, xvii, 18.56, p. 231 ; 



Pfeiffer, Mon. Pneum. Suppl. 1, 1858, p. Ill; Theobald, J. A. S.P.. 



xxvii, 1857, p. 248. 



Original description: — "Testa perforata, pupiformi, distorta, 

 solida, Iseviuscula, vix striatula, fusco-albida ; spira distorto-ovata, 

 sutura marginata, apice conoideo-obtuso ; anfractibus 6 convexis, 



Fig. 2'.l. — PoUicarifi r/ra>'ula. 



penultimo elongato supra apertnrani planato, dorso giliho, ultimo 

 iingiistiori, antice subito ascendente ; apertura leviter sursiim 



