History of British animals - University of Guam Marine Laboratory

Cingula. MOLLUSCA. PECTINIBRANCHIA. 3058. T. Uril— Elongated, striated transversely. Ure's Hist. Ruth. 308.t. xiv. f. 7»— Limestone of the Coal Formation.9. T. elongata.—Elongated, striated spirally. Ure's Hist. Ruth. 308. t. xiv.f. U.10. T. constricta.— Turrited, smooth; whorls eight or ten ;convex below,contracted above, with an adpressed crenated margin. Turbo con. Mart. Derb.t. xxxviii. f. 3 Melania con. Sower. ~Min. Conch, t. ccxviii. f. 2— CarboniferousLimestone.Gen. L. CINGULA.— Aperture of the shell with the peristomecomplete, being united rctrally.* Outer lip thickened by a rib.- 225. C. cimex. — Whorls four, strong; ribbed coarsely,transverselyand spirally.Turbo cim. Linn. Syst. Nat. i. 1233. Don. Brit. Shells, t. ii. f. 1. Mont.Test. Brit. 315..—Southern coasts, not common.Length about |th of an inch ; white; whorls with the separating line deepand ragged ; meshes of the ribs forming quadrangular pits,in six rows onthe body-whorl, and two on the second.226. C subcarinata.— Whorls three, little produced, withthree spiral ridges, and numerous transverse striae.Helix sub. Mont. Test. Brit. 438. t. vii. f. 9—Tiochus rugosus, Bo-own,Wern. Mem. ii. 520. t. xxiv. f. 5.— Coasts of England and Ireland.Breadth about T\jtb of an inch, depressed;glossy, frosted * two of the spirallines are on the lower part of the body -whorl, and one on the upper ;pillar-cavitywide and deep ;aperture oval.227. C. calathisca.— Whorls six, with numerous transverseand spiralribs.Turbo cal. Laskey, Mont. Test. Brit. Supp. 132. t. xxx. f. 5—Westcoast of Scotland and England, rare.Length £th of an inch ;brown ; conical ; the pits formed by the intersectionof the ribs are more numerous than the last, being in eight rows on the bodywhorl,and four on the next ; aperture with the outer lip denticulated within.-228. C. striatula.— Whorls five, spirally ribbed, longitudinallystriated, each terminating in a flat top.Turbo stri. Mont. Test. Brit. 306. t. x. f. 5—Turbo monilis, Turton,Conch. Diet. 200 On the English coast, rare.Length T 2 5 ths of an inch ; ovate, obtuse, white ;whorls with fine spiralstriae, which, towards the upper part of each volution, rise into three membranaceousridgesthose near the; pillar are likewise elevated and strong ; thetransverse striae are numerous, but principally obvious in the furrows, yetgiving to the shell a pretty cancellated appearance; aperture suborbicular,angulated at the upper part.- 229. C. costata. — Whorls five, spirally striated, and transverselyribbed ;a groove behind the outer lip, extending behindthe pillar to the aperture.Turbo crassus, clathratus, quinque anfractibus apertura rotunda mirgi-VOL. I.U