PLATE XVI. 



Page 



Pinna laqueata Courad >il 



Fig. 1. Lati ral view of a large, imperfect specimen from Burliugton, N. J. 



2. A similar view of a, smaller specimen from Haddouliuld, N. J., retaining the out- 

 line of tlie posterior margin. 



Pinna kostkiformis Morton 108 



Fig. 3. Lateral view of a specimen from the Middle Marls at Timber Creek, New Jersey. 

 4. Lateral view of another specimen from the same locality. 



Gbrvilliopsis ensiformis Conrad's sp 73 



Fig. 5. View of a large, nearly perfect specimen from Woodbury, Gloucester County, New 

 Jersey. 



300 



