the shells that may be produced on the coasts 

 and rivers. 



IN the cluster of islands in the bay of Pana- 

 ma, there is a fishery for pearls, which are 

 large and well formed, but of bad color. Ma- 

 ny fine murices, and other rare shells have 

 been found there. 



TriE Gallipagos islands are rich in shells ; 

 it is astonishing that more varieties have not 

 been brought from thence. I have received, 

 through the favor of some of the captains and 

 officers of whale ships, some choice speci- 

 mens. 



FARTHER north we meet with no shells, until 

 we arrive at Ceres Island, off the coast of Ca- 

 lifornia. From this island the finest ear-shells, 

 (H^liotis Splendens), have been brought : for 



