CALLIOSTOMA. 399 



spire very slender. Aperture suhtriangular, iridescent and green 

 inside, columella short, vertical, abruptly dentate or truncate at base. 



Alt. 9, diam. 6 mill. 



M&diterranean Sea, on the coasts of Corsica, Sicily. Tunis, Syria; 

 Adriatic Sea. 



T. Kiiidentatns PHIL., Enuni. Moll. Sicil. ii, p. 150, t. 25, f . 8 ; 

 Conchyl. Cab., p.. 91 r t. 15, f. 13. WKINKATFF, Conchyl. des Mittel- 

 meeres ii, p. :>03. FISCHER, Coq. Viv., p. 279, t. 91, 4. T. j'r<it<>r- 

 culu* MONT*., Bull. S6c. Mai. Ital., 1*79, p. 220. 



Distinguished from the preceding by the slender spire, and very 

 abruptly truncated columella. 



V&T. fraterculum Monts. is angular, sharply sculptured, the supra- 



sutural ridge very strong; base broader; whitish, with grav 

 hieroglyphs. Tuiii*. 



It is placed by Watson in the synonymy of C.striatum Linne, on 

 the authority of Jeffreys. 



C. MOXTAon Wood. PI. 17, figs. 15, 16. 



Shell im perforate or very minutely perforate, conical ; whorls 7, 

 a little convex, the earlier buff, following pale huffish -ashen, or- 

 namented with obscure maculations or zones of chestnut, obliquely 

 striate, spirally lirate, lira,! on penultimate whorl (5. subequal ; last 

 whorl a little convex above, carin Ued in the midde, convex beneath 

 and provided with 7-8 concentric, white-and-brown articulated 

 line; aperture rhomboid, columella stibtruncate below. 



Alt. 7-1, diam. 6 mill. (Fischer.') 



Atlantic and Mediterranean, England to Algiers. 



T. nio)it<if/t<i WOOD, Index Test., Suppl., t. 6, f. 43. PHILIPPI, 

 Conchyl. Cab., p. 89, t. 15, f. 11. FORBES & HANLEY, Hist, Brit. 

 Moll, ii, p. 511, t. 65, f. 10, 11. FISCHER, Coq. Viv., p. 270, t. 89, 

 f. 3. 2V. montacuti JEFFR., Brit. Conch, iii, p. 320 ; v, t. 63, f. 1. 

 WKINKAUFF, Conchyl. Mittelm. ii, p. 366. 



C. RrscuiirANTM Weinkauff. Unfigiired. 



Whorls Hat ; spiral ribs thicker than in C. montagui, separated by 

 much narrower interstices ; umbilicus subperforate. 



Algiers; Tun!*. 



An unfigured species, closely related to C. montagui, perhaps a 

 variety of it. Included by Watson, on the authority of Jeffreys, as 

 a synonym of T. striatus Linn. 



