60 



DARWINISM 



Tarsus 



Middle Toe. 

 Outer Toe_ 

 Hind Toe 





Tarsus 



Middle Toe. 



Outer Toe 



Hind Toe 



§■ 



i5 '^ 



Tarsus 



Middle Toe 

 Outer Toe 

 Hind Toe 





Tarsus. 

 Middle Toe. 

 Outer Toe 



Hind Toe • 



1 2 3 



From Table G. in Allen's Birds of Florida. 



Fig. 7.— Variation of Tarsus and Toes, 



