308 



[Jan. rr, 



Ostrea subspatulata L. §• S. 



Side View of Lower Valve. 

 [ Two thirds the natural size.^ 



2. Lima reticulata. Lyell and Forbes. 

 L. testa ovata^ obliqua, inflata, tenui, longi- 

 tudinaliter sulcata, sulcis reticulatis, nume- 

 rosis. Habitat, Nov. Jersey. 



^ Lima reticulata L. §• F. 



3. Terebkatula Vanuxemiana. Lyell and Forbes. T. testa 

 suborbiculare, valvis bicarinatis, longitudinaliter costatis, costis 



Terebratula Vanuxemiana L. §• F. 



intermediis minoribus, valva superior! convexa, area late triangu- 

 lare, foramine magno, valv^ inferiori convexiuscula, margine fron- 

 tali subbisinuata. Habitat, Nov. Jersey. 



