PELECANIDiE. 



541 



dicular position ; such birds catch their prey under- 

 neath the water, being endowed with a power of 

 diving little short of that of the typical Alcidge. 

 Yet strange to say, notwithstanding the webs on 

 their feet, many of them perch with facility on trees ; 

 and in the Gannets the claw of the middle toe is 

 serrated like that of the Heron. 



To this family belong the Tropic Birds, the 

 Darters, and the Pelicans properly so called. 



FOOT OF PELICAN. 



2 B 



