CALLIOSTOMA. 



C. ZIZYPHINUM Linne. PI. 65, figs. 90, 91, 92. 



Shell conical, im perforate, solid ; ground color fawn, whitish, lilac 

 or yellowish brown, with (generally) a series of brown spots on the 

 periphery, and radiately clouded with brown on the upper surface; 

 the base unicolored or obscurely radiately streaked. Spire conic, 

 outlines straight, apex minute, composed of a single smooth rounded 

 whorl, several whorls following each with 4 granose spiral ridges ; 

 these become smooth and either obsolete or narrow on the later 

 whorls. The periphery is angular, encircled by a smooth rounded 

 rib which becomes a supra-sutural band or fasciole on the spire; 

 whorls about 9, plane, base nearly flat, aperture quadrate, columella 

 nearly straight, cylindrical. 



Alt. 27, diam. 28 mill. ; alt. 35, diam. 35 mill. 



Mediterranean and Adriatic. Seas. 



T. zizyphinus Linn., Syst. Nat. xii, p. 1231 (176(5). And of 

 LAMARCK, Risso, PAYRAUDEAU, WEINKAUFF, BUQUOY, DAUTZ., 

 and DOLLF., FISCHER, and other writers on Mediterranean shells. T. 

 polymorphic CANTRAINE (in part), Diagn. Esp. nouv., p. 10 (1835). 

 T. conulus var. ft. PHIL., Enum. Moll. Sicil. i, p. 175. ZizijjJtinun 

 Linncei MONTEROSATO, Nom.gen. e. Spec., p. 44 (1884). T. discre- 

 pans BROWN, Mem. Wern. Soc. ii, p. 519, t. 24, f. 4. Zizyphinus 

 conuloides Lam. REEVE (part), Conch. Icon.,f. 16b, 16c. Z. Hume! 

 MONTS., with vars. dilatata, rotundata, scalar Is, simulants, violacea, 

 pallida (= cornea and albina) MONTS., Bull. Soc. Mai. Ital. 1889, 

 p. 77. Z. demissus MONTS., Nom. Gen. e. Spec., p. 44 ; Bull. S. M. 

 Ital. '89, p. 78. Z. typus NARDO, Sinon. modern a, 1847, p. 70 (-f Z. 

 dalmaticus Monts. MS., Z. novegradensis Brus. MS., Z. conuloides 

 Auct., not Lam.,) teste MONTS., Bull. Soc. Mai. Ital. 89, p. 78. Z. 

 virescens (Ren.) Auct. MONTS., /. c., p. -79. Z. vulgaris Gray, AD., P. 

 Z. S. 1851, p. 163. Z. albidus WOOD, Ind. testaceol. suppl., t. 5. f. 

 14. Tr. cingulatus BROCCHT, Conch, foss. subap., p. 351, t. 5, f. 15. 

 Phil Conchy!. Cab., p. 67, t. 13, f. 12. 



Var. conuloides Lam. 



T. conuloides LAM., An. s. Vert, vii, p. 24 (1822). POT. and 

 MICH., Galerie de Douai, i, p. 330. PETIT, Journ. de Conch. 1852, 

 p. 177. FISCHER, Coq. Viv., p. 81, t. 18, f. 3. BUQ., DAUTZ. and 

 DOLLF., Moll, du Rouss., p. 347. T. polymorplius CANTRAINE, in 

 p ar t. T. zizyphinus PHIL., Conchyl. Cab., p. 62, t. 13, f. 6. 

 JEFFREYS, Brit. Conch, iii, p. 330; v, p. 204, t. 63, f. 6. SARS, 



