476 



MESOZOIC TIME REPTILIAN AGE 



Figs. 765-770. 



Cephalopods.— Figs. 765, 765 a, 765 b, Ammonites Placenta ; 766, Scaphites Conradi ; 767, S. 

 larvasfornris; 768,768 a, Baculites ovatus; 769, Section of B. compressus, reduced; 770, 

 Nautilus Dekayi. 



