ODOSTOMIA. 289 



Harbour ; Kilkee. Montagu obtained his specimen from 

 sand in the south of Devonshire. 



There seem occasionally some obsolete longitudinal pliei- 

 form wrinkles on the upper part of the whorls, but they 

 are never developed into regular folds. 



O. iNscuLPTA, Montagu. 



Oblong- turreted ; whorls spirally sulcated ; pillar-lip elon- 

 gated, narrow, furnished with a distinct pliciform twist. 



Plate XCVI. fig. 6. 



Turbo insculptus, Mont. Test. Brit. Siippl. p. 129. — Tubt. Couch. Diction, 

 p. -221. 



' Valuta insculpta, Dillw. Recent Shells, vol. i. p. 509. 



Odostomia „ (not of Dekay) Fleming, Brit. Anim. p. 310. — Maccul. Moll. 

 Aberd. p. 329.— Brit. Marine Conch, p. 173. — Jeffreys, 

 Ann. Nat. Hist, new ser, vol. ii. p. 342. 



Jaminia „ Brown, 111. Conch. G. B. p. 22. 



The present species, from its sculpture, cannot well be 

 confounded with any other of our native species, unless per- 

 haps with striolata, from which its shape and proportions 

 distinguish it, or with Warrenii.^ which neither possesses a 

 fold, nor has sulci on the wdiorls of its spire. 



It is oblong-turreted, a little transparent, rather thin, 

 glossy, uniform white, and spirally sulcated. The grooves, 

 which are strong, close, and regular, do not quite extend 

 to the suture ; indeed, except upon the body, where fchey 

 encircle three-fourths of the surface, they only traverse the 

 lower half of each turn ; they have, often, a punctured 

 look. The spire, which is about equal in length to the 

 body, is composed of four tapering and convex whorls, 

 tliat are of rather quick longitudinal increase (hence the 

 penult turn is more or less high), and are deeply divided 



vor,. III. V p 



