160 



KKY TO TI1K BIK1 



KASTKKN NOKTII AMERICA. 



FAMILY FALCONID^]. 



HAWKS. FALCONS, EAGLES. ETC. 



1. Wing, less than 8.60 inches long. See page 



2. Wing, 8.50 to t. 50 inches long. See page 103. 

 <;i:ot i- 'A. Wing, ;t..")0 to 13 iuclnv- long. See page 164. 



Section 1. Species having second primary longest. Sec page 165. 

 Section '2. Specie-; having third primary longest. See page 1GG. 

 Section 3. Species having fourth primary longest. See page 166. 

 < iuour 4. Wing, 13 to 15 inches long. See page 107. 



Section 1. Second primary, longest; first .and second primaries, emarginate or notched. 



See page 167. 



Section 2. Third primary, longest; face, hare. See page 167. 

 Section 3. Fourth primary, longest ; upper tail coverts, white. See page 168. 

 Section 4. Fourth primary, longest; upper tail coverts, not white. See page TGS. 



5. Wing, 1~> to 17 inches long. See page 170. 



Section 1. Second primary, longest ; only first primary, notched. See page 171. 

 Section 2. Second primary, longest ; first and second primary, notched. See page 171. 

 Section 3. Third primary, longest. See page 171. 

 Section 4. Fourth primary, longest; four or five outer primaries, notched; upper tail 



coverts, white. See page 17:5. 

 <eetion ">. Fourth primary, longest; four or five outer primaries, notched; upper tail 



coverts, not white; no feathers on the tarsus. See page 173. 

 ^- ction G. Fourth primary, longest; four or five outer primaries, notched: upper tail 



coverts, not white; tarsus, partly feathered. See page 173. 

 -ertinii 7. Fourth primary, longest; four or five outer primaries, notched: tar-u-. 



entiri-h/ feathered. See page 174. 



-.lion s. Fourth primary, longest; three outer primaries, notched. See page 171. 

 Wing, 17 to 21 inches long. Seepagel71. 



1. Third primary, longest ; tarsus, wholly feathered. See page 174. 

 Section -2. Third primary, longest ; tar-u-, nl wholly leathered. Seepage 177. 

 Section ;i. Fourth primary, longest ; tarsus, without feather-. See page 17S. 

 Section 1. Fourth primary, longe-t : tar-u-. partly feathered. See page 178. 



Section ."). Fourth primary, longest; tarsus, entirely feathered. See page 178. 



i. I:<H i- 7. Wing, over 2\ inches long. See pa-.- 17'.*. 



