16 



n27 (l)ONAX) 



547 Capsa 

 546 



549 Crassina 

 549 a. " 



548 a. AsTARTE 

 548 b. " 



vittata, 



Lam., 



Brasiliensis, Lam., 

 loBvigata, " 



danmoniensis, Lam., 



Scotica, 

 castanea, 



Mediterranean. 



Brazil. 

 Tranqiiebar. 



Rhode Island. 



Lam. Amm. Sans. Vert. no. U. 

 Scwb. Gen. f. 1. 

 Chemn. G, t. 25, f. 2-19. 



Sowb. Gen. f. 1, 2, 3. 



Turton, Devon. England. Conch. in?. B. tab. ii, f.3. 4. 



var. 



Say, Long Island. 



" Provinceton, Ms. 



Say's Amer. Conch, pi. 1. 



SECTION III.— CONCHIFERA LAMELLIPEDA. 



C O N C 11 iE . 



CONCHA FLUVIATILES. 



