THE 
LONG OYSTER. 
DECREE EEE EEE EEE EEE EERE S 
GENERIC CHARACTER. 
Animal refembling a Tethys. 
- Shell bivalve (in moft fpecies unequally), fubauri- 
culated. _ ; 
Hinge toothlefs, with an ovate foffule and lateral 
tranfverfe ftreaks. 
SPECIFIC CHARACTER, Gc. 
Equal-valved OYSTER, with the right lobe 
largeft, and the hinge marked by numerous 
furrows. : 
The genus Oftrea, by which is here meant the 
affortment called by Linnaus Offree rudes, (exclud- 
ing the PeZiues or Efcallops,) contains feveral fpe- 
cies which differ confiderably in point of habit from 
each other. Among the moft ítriking as well as 
curious is that reprefented on the plate, which is a 
native of the Indian ocean. Its general fize and 
color are as expreffed in the figure. 
