CoLORi-.n Figures i, 2. 3. — Circulation in Fish, Reptile, Mammal. 



In which is blood from heart all impure ? Mixed ? Both pure and impure ? 



Fig. 4. — ANATOMY of Cakp. For description see Fig. 220, page 117. 



Fig. 5 — Harlequin Snake \l 



The Harmless 



Cora 1. Snake 



mimics the 



Deadly Harlequin 



Snake. 



Kig. 6. — Coral Snake (Lampropeltis). 



