COLORKD FIGURES t, 2, 3. CIRCULATION IN FISH, REPTILE, MAMMAL 



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



FIG. 4. T- ANATOMY OF CARP. For description see Fig. 220, page 117. 



Fir, 5 HARIEQUIN SNAKE 



THE HARMLESS 

 CORAL SNAKE 

 MIMICS THE 

 DEADLY HARLEQUIN- 

 SNAKE. 



FIG. 6. CORAL SNAKE (Lampropeltts). 



