PLATE LXXXII 



PAGE 

 Fig. 1. CORNUS FOBCHHAMMEBI Heer 885 



Magothy formation, Grove Point. 



Pig. 2. COBNUS CECILENSIS Berry 



Magothy formation, Grove Point. 



Fig. 3. ABALIA WASHINGTONIANA Berry 878 



Raritan formation, East Washington Heights, D. C. 



Fig. 4. ABALIA BAVNIANA Heer 876 



Magothy formation, Grove Point. 



978 



