PLATE 1. 



CESTRACIONTIDAE. 



Fig. 1-3. Cestracion zyoaena (Page 157). Fig. 4-6. Cestr.vjion tiburo (Page 160). 



1. Lateral view of a .speeimen 27.f inches long. 



2. Head from below. 



3. Teeth from the side of the jaw. 



4. Lateral view of a speeimen 21 J- inches lung. 



5. Head from below. 



6. Teeth from the side of the jaw. 



