KEY TO FAMILIES OF WATER BIRDS 



ORDER TUBINARES: TUBE-NOSED SWIMMERS. 



1. Nasal tubes separated and at sides of bill. 



Diomedeidce : Albatrosses, p. 32. 



1 '. Nasal tubes connected on top of bill. 

 Procellariidee : Fulmars, 



Shearwaters, and Petrels, p. 33. 



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 : Maii-o'-War Birds, p. 43. 



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



1 ig. 10. 



3. Bill narrow, with slight pouch at base. 



Phalacrocoracidae : 



Cormorants, p. 39. 



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

 Pelecanidse . Pelicans, p. 42. 



Fig. 1-2. 



ORDER ANSERES: LAMELLIROSTRAL, 



SWIMMERS. 



Short-legged swimmers Anatidse : 



Ducks. Geese, and Swans, p. 44. 



Fig. 13. 



