OOO CALLIOSTOMA. 



C. zrzYPHiNUM Linne. PL 65, figs. 90, 91, 92. 



Shell conical, imperforate, 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 peripher}^ 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, Weinkaupf, Buquoy, Dautz., 

 and DoLi-F., Fischer, and other writerson Mediterranean shells. — T. 

 polymorphus Cantraine (in part), Diagn. Esp. nouv., p. 10 (1835). 

 — T. conulus var. /?. PHiL.,Enum. Moll. Sicil. i, p. 175. — Zizipkinus 

 Limnei Monterosato, Norn. gen. e. Spec, p. 44 (1884). — T. discre- 

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

 connloides Lam. Reeve (part), Conch. Icon., f. 16b, 16c. — Z. linncei 

 MoNTS., W'ith vars. dilatata, rotundata, scalaris, simulans, violaeea, 

 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. moderua 1847, p. 70 (+ Z. 

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

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

 virescens (Ren.) Auct. Monts., I. 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 Brocchi, Conch, foss. subap., p. 351, t. 5, f 15. 

 —Phil. Conchyl. Cab., p. 67, t. 13, f. 12. 



Var. convloides Lam. 



T. connloides Lam., An. s. Yert. 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. polymorphus Cantraine, in 

 part. — 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, 



