(;2 FiKLD Museum of Natural History — ^Zoology, Vol. IX. 



Family PELECANID.^. Pelicans. 



Bill, hooked at tip, over twelve inches long and having a large pouch 

 attached to the under mandible ; lores, bare ; toes, four, all connected 

 by webs. 



American Whit.? Pelican. 



* GROUP 1. Wing, over 17 inches long 

 General plumage, white. 



Pelecanus erythrorhynchos . 

 American White Pelican. 



See No. 34. 



General plumage, not white (coloration very variable according 

 to age and season, but never white). Pelecanus occidentalis. 



Brown Pelican. 

 See No. 35. 



Family FREGATID^. Man-of-war Birds. 



Frigate Birds. 



Bill, hooked at tip ; lores, feathered ; upper plumage, entirely 

 black ; toes, four, all connected by webs ; tail, forked ; wings, very long. 



* For directions for measurement, see page 21. 



