62 



PROCEEDINGS OF THE GEOLOGICAL SOCIETY. 



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 reticularis, nume- 

 rosis. Habitat, Nov. Jersey. 



Lima reticulata L. §• F. 



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

 suborbiculare, valvis bicarinatis, longitudinaliter costatis, costis 



Terebratula Vanuxemiana L. §• F. 



intermediis minoribus, valva superiori convexa, area late triangu- 

 lare, foramine magno, valva inferiori convexiuscula, margine fron- 

 tali subbisinuata. Habitat, Nov. Jersey. 



