58 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



FAMILY FREQATID^. 



Man-of-war Birds. Frigate Birds. 



Bill, hooked at tip; lores, feathered; upper pluma'ge, entirely black; 

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



* Group 1. Wing, over 21 inches long. 



Entire plumasre, black (adult, male) ; general plumage, black; belly, white (female) ; head 

 and neck, whitish; belly, white; rest of plumage, black (immature). 



Fregata aquila. Man=of=war Bird. 

 See No. 85. 



* For directions for measurement, see page 9. 



