300 



T. with nine (lender, gloffy, pelliicid-wlnte fpires, ter- 

 minating in a fine point; tlie volutions rounded, feparafed 

 by a deep deprcITion, and wrought witkfine longitudinal 

 ridges, or llriie, fomewhat undulated; tlie intermediate 

 {paces with extremely fine tranfverfe flrise, fcarce per- 

 ceptible, except greatly magnified: aperture Tub orbicular, 

 inclining to oval. Length two-tenths of an inch. 



This, and the preceding fpecies, are the mofl; flender 

 fhells hitherto knovrn: found with it, and equally rare. 



One we received from Mr. BoYS,for Walker's fhell as 

 above quoted, was not near fo long, and was opaque as 

 defcribed by that author. 



SuBTRuNCATus y ^^ith fix or feven rounded fmooth fpires, feparated 

 10. t. 1. i^y ^ jggp deprefied line, gradually tapering to an obtufe 

 point: aperture fub-orbicular, inclining to oval: colour 

 pellucid yellowilh-white. Length two-tenths of an inch; 

 breadth about one fourth its length. Some of this fpecies 

 are a little gloITy, and faintly flriated longitudinally. 



We found this on the (hore at Southampton^ and in fand 

 from Salcomb, 



Truncatus. Helix Truncatula. Gmel Syft. p. 3659 ? 



Tab. 10. f. 7. Turbo nitidus. Lin. Trans, iii. p. 65. (Adams.) 



Ttirt. Lin. iv. p. 487. 



T. with 



