THE 
LONG OYSTER. 
Generic Character. 
Animal refembling a Tethys. 
Shell bivalve (inmoft fpecies unequally), fubauri- 
culated. 
Hinge toothlefs, with an ovate foffule and lateral 
tranfverfe ftreaks. 
Specific Character, &c. 
Equal-valved OYSTER, with the right lobe 
largeft, and the hinge marked by numerous 
furrows. 
The genus Oftrea, by which is here meant the 
afibrtment called by Linnaeus Oftreee rudes , (exclud¬ 
ing the PeEtines or Efcallops,) contains feveral fpe¬ 
cies which differ confiderably in point of habit from 
each other. Among the moft ftriking 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 exprelfed in the figure. 
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