38C) 



14, 

 Helix tentaculata. Lin. Syji. p. 1249. — GineL Syjl. p. 3662. Ten^taculata. 



C/iet!u ConcL ix. t. 133. f. 1245. 



Lijier Conch, t. 132. f. 2,2.— Id. AngJ. t. 

 2. f. 19. 



Fetiv. Gaz. t. IS. f, S.—Gnalt. t. 5. B. 



Schroder Fliijfconch. t. 7. f. 19. to 22. 



Br. Zocl t. 86. f. 140. 



Turt Lin. iv. p. 539. 



Hill S-wammerd. p. 82. t. 10. f. 1 ? 



Piih. Cat. Dorfet. p. 49. 



Do?i Br. Shells, iii. t. 93. 



fFalk. Min. Shells, i. 33. (pullus) 

 Helix fpliserica. Gnicl. SyJi. p. 3627. 

 Turbo Nucleus. Da Cojia. p. 91. t. 5. f. 12. 

 Nerita Jaculator. Midler Verm. ii. p. 1S5. No. 372 

 Nerita fphccrica. Midler Verm. ii. p. 170. No. 356. (pullus) 



Schroctcr Fhijfconch. p. 341. No. 82. 



H. with a fiiiootli, conic, pellucid, horn-coloured 

 rncll, with five, and fometimes fix, rounded fpires, di- 

 vided by a deep feparating line : apex pointed : aperture 

 fiib-orbicular, contra6led at the upper part; outer lip 

 moderately (Irong ; pillar lip reflexed. Operculum te^a.- 

 ceous, concentrically wrinkled. Length half an inch ; 

 breadth a quarter. 



This is a very common fpecies, found in mod flow 

 rivers, and ftagnant waters. Is frequently covered with 

 a dark-brown, or dullcy epidermis: fometimes with a 

 calcareous concretion. Dead (hells become white. It 

 is, we believe, the only fpecies of Britifii frefh-water 



fhells 



