THE BIRDS OF NEW JERSEY. 75 



having a flap or lohe on the s^niall hind toe, which is lacking in the 

 AnatincB. (P. 86.) 



The Geese {Anserina') have a blunt, heavy bill, the result of feed- 

 ing on land upon grass, etc., though they also pluck various aquatic 

 plants from the shallow water. (P. 93.) 



The Swans (Ci/gnina') are distinguished by their very long necks 

 and bare lores. (P. 96.) 



a. Neck longer than the body. Whistling Swan, p. 96 



aa. Neck shorter than the bod}\ 



6. Tarsus longer than the middle toe without the claw. (Geese) 



c. Forehead white, head brown. White-fronted Goose, p. 94 



cc. Entire head brown. 



d. Back brown. White-fronted Goose (young), p. 94 



dd. Back dark gray. Blue Goose (young), p. 94 



ccc. Entire head white (often stained rusty). 



d. Body dark "gray. Blue Goose, p. 94 



dd. Body white. 



e. Wing under 17. Lesser Snow Goose, p. 93 



ee. Wing over 17.25. Greater Snow Goose, p. 93 

 cccc. Entire head pale gray. Immature Snow Geese, p. 93 



ccccc. Entire head black. 



d. Throat white. Canada Goose, p. 95 



dd. Throat black, neck speckled with white. 



e. Belly white. Brant, p. 95 



ce. Belly dark gray. Black Brant, p. 96 



66. Tarsus shorter than the middle toe without the claw. (Ducks) 



c. Bill very slender and narrow, nearly round in cross-section. 



d. Bill not over 1.50. Hooded Merganser, p. 79 



dd. Bill not under 1.80. 

 e. Head black. 



f. Breast streaked with black. 



Red-breasted Merganser (male), p. 78 

 ff. Breast not streaked. 



Merganser (male), p. 78 

 ee. Head rusty red or gray. 



f. Bill from nostril to tip 1.25 or less. 



Merganser (female), p. 78 

 ff. Bill from nostril to tip 1.50 or more. 



Red-breasted Merganser (female), p. 78 

 cc. Bill broader, flat and duck-like. 



d. Head and neck rusty or reddish-brown. 



e. Crown white. European Widgeon, p. 81 



ee. Sides of face white. Ruddy Duck, p. 93 



eee. Sides of head black. Green-winged Teal, p. 83 

 eeee. Crown and face uniform with rest of head. 



f. Flanks barred like the back, bill 2 or less. 



Redhead, p. 86 



ff. Flanks with scarcely a trace of bars, bill 



over 2. Canvasback. p. 86 



