184 TELLINA. BENT-WEDGE. Class VI. 



21. SOLIDU- T. solidula. Lin. Tr. viii. 58. List. Angl. tah. iv.Jig.25. 

 LA. Mont. Test. Br. 63. T. carnaria. Br. Zool. iv. I 



fiesh-colorei. 



T. with a strong and rounded shell, generally of 

 a bloom color within and without ; externally 

 marked with belts of deeper red. Breadth about 

 seven-eighths of an inch. Tah. lii. jig. 2. 

 Sometimes found quite white, ^sjig. 2. A. 



22, CORNEA. Lin. Syst. 1120. No.TQ. Gm. Lin. Tr. viii. 59. 



horny. Lin. 3241. Ca.rdmmcorntum. Mont. Test. 



Faun. Suec.No. 2138. Br. 86. 

 List. Angl. App. tah. i.Jig- 5. 



T. with round shells very convex, marked with 

 a transverse furrow; color brown. Size of 

 a pea. 



Inhabits ponds and fresh waters. Tab. lii. 



A- 3. 



23. LACUS- ^'"- -^"'' 3242. Cardium lacustre. Mont, 



TRis. Lin. Tr, viii. 60. Test. Br. 89. 



* T. with a rhomboidal shell, flattish, smooth ; 

 beak pointed, horn-colored ; diameter three or 

 four tenths of an inch. Inhabits fresh water. 



Discovered by Mr. Sxvainson in a river near 

 Bulstrode, and also by Mr. Montagu in JVilt- 

 shire and Devonshire. 



