22 



stripe marks tlie course of the rib which crosses the 

 valves internally, and appears to be designed to 

 strengthen the shell for the support of the anterior 

 muscles. 



Inhabits Great Egg Harbour, and Scpiam, on the 

 coast of New Jersey, at which latter locality my 

 father obtained very perfect specimens, though with- 

 out the animals. It occurs also on the coast of Rhode 

 Island, but the largest I have seen is from Maine, and 

 was presented to the Academy of Natural Sciences 

 by Col. Abert; it is about one third larger than the 

 figure. 



SOLECURTUS CARIBCEUS. 

 Tab. IV, fig. 3. 



SPECIFIC CHARACTER. 



Shell oblong oval, straight, very obtusely rounded 

 at each end ; two teeth in one valve, and a bifid tooth 

 in the other. ^ v 



SYNONYMA. 



SoLECURTUs VRiBCEUs, Blnin. Diet, des Sciences 



JVaturelle, vol. 29, p. 240. 

 SoLEN CARIBCEUS, La7n. An. sans Vert. v. 5, p. 454. 

 Chama angustior. Lister, t. 42\, fig. 1. 

 SoLEN. Em. Method. t.225ffig. 1. 



■y-^T' ■■ 



