BIVALVES. — TELLINA. 



15 



greatest proportion of shells of this genus. However, 

 the Indian, American, and Mediterranean seas, are by no 

 means remiss in producing their supplies also. The river 

 Tees affords one species, viz. Solen Crispus. They often 

 reside among Zoophites. 



SOLEN. 



TELLINA.-Tellen. 



Animal—a Tethys: Shell bivalve ^ generally slopii^ on. 

 one side ; in the fore-part of one valve there is a convex^ 

 and in the other^ a concave fold; hinge with usually tJuree 

 teeth, the lateral ones smooth in one valve. 



Amongst all the different genera of Bivalves, there are 

 none, except the Venus, which can vie with the Tel- 

 linoe in point of beauty, variety, or number, which a- 

 mounts to no less than ninety-four species: and whether 



