50 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



ORDER STEQANOPODES. 

 Gannets, Pelicans, Cormorants, etc. 



Toes, four, all connected by webs. 



FAMILY PHAETHONTIDyE. 



Tropic Birds. 



Bill, sharp pointed; chin, feathered; toes, four, all 

 connected by webs. 



Group 1. Wing, 9.50 to 13 inches long. 



Bill, yellowish ; general plumage, white ; outer webs of primaries and lesser wing coverts, 

 black; middle tail feathers, very long; bill, yellow or pale orange; shafts of tail feathers, 

 black. Phaethon ' americana. Yellow-billed Tropic Bird. 



See No. 72. 



Bill, red ; back, finely barred with black. Rare straggler, recorded from Newfoundland 

 banks. Phaethon cethereus. Red=billed Tropic Bird. 



See No. 73. 



* For directions for measurement, see page 9. 



