KEY TO FAMILIES. WATER BIRDS. 



15 



Lores, feathered; tarsus, reticulate (scales rouudeil) ; \viri<>', laorr than, thirteen inches long ^ 

 toes, four, the frout ones full wehhed. 



Family ANATID/E. Subfamily ANSERIN/C. Geese and Brant. 



See p!i<;e SI. 



(ieese ami Swan. 



Lores, partly bare; tarsus, reticulate (scales rounded) ; size, larue; neck, long; winjj, over 

 eighteen inches long; plumage, white or gray. Subfamily CYQNIN/E. Swans. 



See page S4. 



GROUP 3. 



Toes, four, toto=palmate ; (front toes, full webbed ;) 

 hind toe, connected with front ones by web. 



L -^^. ^ :J ; 



Bill, sharp pointed; chin, feathered; toes, four, all connected oy webs. 



Family PHAETHONTID/E. Tropic Birds. 



bee page 50. 



s'^^i^P: 



Bill, stout, but not hooked; chin, bare; neck, thick; toes, four, all connected by webs. 



Family SULID/G. Gannets. 

 See page 51. 



