INDEX OF SPECIES. 



abbreviatus, Buteo, 67. 

 adalberti, Aquila, 54. 

 feg-yptius, Milvus, 81. 

 eequatorialis ?, Sarcorliamphus, 2. 

 sequinoctialis, Buteogallus, 78. 

 feruginosus, Circus, 22, 115, 116. 

 aesalon, Falco, 104. 

 affinis, Accipiter, 39, 165, 168, 172, 



173. 



?, Milvus, 81. 



africanus, Limnaetus, 47, 52, 



, Pseudogyps, 9. 



aguia, Falco, 74. 



alaudarius, Tiununculus, 96, 97, 98, 



156, 157. 

 albicans, Aquila, 56. 

 albicaudatus, Buteo, 69. 

 albicilla, Haliaetus, 58. 

 albicollis, Leucopternis, 75. 

 albidus, Falco, 16. 



, Spilornis, 16. 



albigularis, Hypotriorchis, 103. 



, Phalcobaenus, 13. 



, Urospizias, 33, 34, 35. 



albouiger, Liuinaetus, 49. 

 alcinus, Macbiseramphus, x, 85, 86. 

 alopex, Tiununculus, 98. 

 amaurus, Micrastur, 24. 

 ambiguus, Haliastur, 79. 

 americanus, Ibycter, 14. 

 amurensis ?, Aquila, 55. 



, Erytbropus, 101, 160. 



andamanensis, Limnaetus, 49. 

 anderssoni, Macbaerampbus, 85, 86. 



, Stringonyx, 85. 



angolensis, Gypobierax, 11. 



autbracina, Umbitinga, 76, 77. 

 antillanim, Tiununculus, 99. 

 apivorus, Pernis, 86, 151. 

 approximans, Circus, 21, 22. 



, Urospizias, 38. 



aquilinus, Buteo, 134, 135, 136. 

 ardesiacus, Dissodectes, 94. 

 artbiu'i, Tiununculus, 98, 156, 158. 

 assimilis. Circus, 22, 23. 

 astur, Accipiter, 28. 



, Eutriorcbis, 17. 



ater, Daptrius, 13. 



, Milvus, 81. 



aterrimus, Falco, 13. 

 atrata, Catbarista, 5. 

 atricapilliis, Astur, 28. 



, Falco, 51. 



atriceps, Falco, 105. 

 audax, Uroaetus, 57. 

 augur, Buteo, 34, 65. 

 auguralis, Buteo, 64. 

 aura, Catbartes, 4. 



, Rbinogrypbus, 4. 



auricularis, Otogyps, 6, 7. 

 australis, Falco, 95. 



, Harpa, 95. 



, Senex, 12. 



axillaris, Elanus, 84. 

 ayresii, Spizaetus, 52. 



babylonicus, Falco, 108, 109. 

 bacba, Spilornis, 16. 

 badius, Scelospizias, 30. 

 bairdii, Buteo, 68. 

 barbarus, Falco, 107, 108, 109, 

 barbatus, Gypaetus, 10. 



