(50 KEY TO THE BIRDS (^F EASTERN NORTH AMERICA. 



Section' 2. IJi'lly, white, sometimes tin^eil on lower pnrt witli gray or dusky; no 



white or grayish wliite on hcail. See page 74. 

 Section ;i. Itelly, not wliite; head, marked with more or less white, or grayish 



white. See page 76. 

 Section 4. Hell}', not white; no white on head. See p.age 77. 

 Group 5. Wing, 10 to 14 inches long. See page 77. 



Section 1. Head, with more or less white, or gr.ayish white; helly, black. See 



page 77. 

 Section 2. No white on head ; belly, black. See page 7'.1. 

 Section 3. Head, with more or less white, or grayish white; belly, mottled lu'own, 



or grayish brown, or slaty. See p;ige 79. 

 Section 4. Xo white on head; belly, mottled brown, or grayish brown. Seejiuge 80. 



SUBFAMILY AXSERIN.E. GEESE. 



LORKS, P1:AT11EUED ; TAIISUS, liKTICi;b,\TK. 



Group 1. Wing, 12 to 14 inches long. See page SI. 

 Groi'P 2. Wing, 14 to 20 inches long. Sec; jiage 81. 



Section 1. Head and neck, black or blackish, marked with more (n- less white; bill 



and feet, lilack See page 81. 

 Section 2. Head, white, sometimes tinged with brownish orange; bill and feet, pink 



or llesh color in lib'; yellowish or jiale brownish in ilried skin. See page 8.3. 

 Section I!. I leail, bi'OwiLish or grayish, sometimes marked withwhil^e; bill, pinkish; 

 feet, yellow or pink. See page S3. 



SUBFAMILY' CYdNINyl-;. SWANS. 



l)Ay:K, sKrx hktwp.k.x ihe r.ii.i, and 1':ve ; tai«i:s, reticulate; neck, very 

 i,oN<; ; wiN'c, ovEi; 1'.) in<iiies ijini;. See jiage 84. 



