large and in great request, have been brought 

 from the Gambia, and Senegal *. The rare 

 reverse Achatina is found in this country, but 

 its precise locality is not ascertained. 



OF the shells from the Cape de Verde Islands, 

 as well as from the cluster of the Canaries, 

 we know but little : the sea-shells are common 

 to both, and also to Madeira ; from the latter 

 we have lately received some rare land and 

 fresh- water shells. Others of equal rarity, no 

 doubt, will be found there, and also at Cape 

 Verd. 



AT Goree, and all along the African coast, 

 varieties of shells occur, which are beaten to 

 fragments by the surf. At low water, after 



# Snail shells. The animals constitute an article of food, and 

 are much c used in soup in the various ports of the Mediterra- 

 nean, where I have often seen them boiled in their shells, 

 and served up with rice, 



