KEY TO FAMILIES OF WATER BIRDS 3 



ORDER TUBINARBS: TUBE-NOSED SWIMMERS. 



1. Nasal tubes separated and at sides of bill. 



Diomedeidae : Albatrosses, p. 32. 



r. Nasal tubes connected on top of bill. 

 Procellariidae : Fulmars, 



Shearwaters, and Petrels, p. 3J 



Fig. 8. 



ORDER STEGANOPODES : 

 TOTIPALMATE SWIMMERS. 



1. Bill straight and .sharp, not hooked at tip. *'^'' ■^• 



Anhingidae : Darters, p. 39. 

 1. Bill strongly hooked at tip. 



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 : 



Ccrnaorants, p. 3U. 



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

 Pelecaiiidae : Pelicans, p. 42. 



FiR. !•_' 



ORDER ANSERES: LAMELLIROSTRAL 

 SWIMMERS. 



Short-legged swinnners Anatidde : 



6 Ducks. Geese, and Swans, p. 44. 



Fig. U. 



