PLATE XL. 



PAGE 



Fig. 1. Elephas columbi Falconer 165 



Molar showing an intercalated enamel ridge. Greatly reduced. 



Fig. 2. Terrapene etjrypygia (Cope) 169 



Fragment of carapace of type in American Museum of Natural His- 

 tory, New York. X 2. Oxford Neck. 



Fig. 3. Insect wings from Bay Ridge. X 8 171 



240 



