Mammals. 
Hand of N 
+ 
s 
co) 
a) 
“4 
as 
vo 
A 
éesse sc. 
o 
E Haeckel del. 
es Man, 2. Gorilla , 3. Orang, 4. Dog, 5. Seal 
9. Duck - bull, 
6.Porpoise, 7. Bat, 8. Mole, 
