%1 



Tellina amnica. Cliem. Conch, vi. t. 13. f. 134. 



Gualt. t. 7. CC.—Shroet Flufsconch. p. 193. 

 No. 12.— p. 194. No. 17. 18.t.4.f.7. a. b. 

 Tellina rivalis. Lin. Trans, iii. p. 44. t. 13. f. 37. 33 



Turt. Lin. iv. p. 187. 



Don. Br. Shells, ii. t. 64. f. 2. 



C. with a thin, fub-pellucid, fub-oval, convex flicll, 

 fulcated tranfverfely ; umbo placed neareft to one fide ; 

 hinge furniflied with one central tooth, and two lateral 

 teeth on each fide in one valve, ftanding parallel one with- 

 in the other, the outer of which is very finall ; in the 

 other valve two primary teeth approximating, and ftand- 

 ing oblique, with one lateral tooth on each fide : colour 

 like the preceding fpecies ; fize much inferior. Length 

 rarely three-eighths of an inch, breadth half an inch. 



This fhell had long been confounded in Eyigland, until 

 Dodlor Maton defined the diftin61ion in the Linnean 

 TranfaElions. The Do6lor remarks, that he generally 

 found it on the chalky parts of the bed of the Avon, and 

 in rivulets communicating with it near Salijhury. 



We have found it not uncommon in the northern Avon, 

 in Willjhire, a different river from that before mentioned, 

 running through the north of that county, anddifcharging 

 itfelf into the Brijlol channel ; whereas the other flows 

 through Hampjhire, and difembogues near Chrijlchurch. 



It 



