BIVALVES TELLINA. 



11 



the other genera. As the Tellinse are most important 

 among the Bivalves, so the sources from whence they are 

 derived, usually abound in the different varieties they af- 

 ford. The Mediterranean, Baltic, and Adriatic Seas 

 give being to many; the American and Atlantic Oceans 

 produce numbei-s ; and the European and Northern seas 

 by no means contribute an inferior portion. The rivers, 

 pools, ponds, and marshes of Europe and America, sup- 

 ply only a few. It is said, that Tellinse are very speedy 

 in their growth. 



