KEI TO FAMILIES OF WATER BIRDS 



ORDER TUBINARES: TUBE-NOSED SWIMMERS. 



s~ 

 X> 



t 

 X 



Fig. 7. 



1 . Nasal tubes separated and at sides of bill. 

 Diomedeidae : Albatrosses, p. 32 



, A. V. Nasal tubes connected on top of bill. 

 Frocellariidae : Fulmars, 



Shearwaters, and Petrels, p. 33, 



Fig. 8. 



ORDER STEGANOPODES : 

 TOTIPALMATE SWIMMERS. 



1. Bill straight and sharp, not hooked at tip. 



1'. Bill strongly hooked at tip. 



Fig. 9. 

 ngidae : Darters, p. 39. 



Hg. 10. 



2. Tail deeply forked; space around eye feath- 

 ered. 

 Fregatidae : Man-o'-War Birds, p. 43. 



2'. Tail not forked ; space around eye naked. 



3. Bill narrow, with slight pouch at base. 



Phalacrocoracidae 



Cormorants, p. 39. 



3'. Bill wide and flat, with large pouch. 

 Pelecaiiidae : Pelicans, p. 42. 



Fig. 12. 



ORDER ANSERES: LAMELLIROSTRAL 

 SWIMMERS. 



0. Short-legged swimmers Anatidae 



Ducks, Geese, and Swans, p. 44. 



