INDEX, 



Acanthis linaria, 194. 

 AecLpiter coopuri, 122. 



velox, 122. 

 Actitis macularia, 103. 

 yELTialitis scmipaliiiata, 108. 



vocit'era, 108. 

 Agelaius plujenioeus, lOfJ. 

 Aggressive coloration, 44. 

 Aigrette plumes, 38. 

 Alaudid;^, 158. 

 Albatross, 18,19. 

 Alcediiiiate, 134. 

 Ampelidiie, 216. 

 Ampelis cedroruin, 21G. 

 Anatid^e, 92. 

 Androdon, 32. 

 Anhingas, 32. 

 Aiisercs, 92. 



Antrostomus vociforus, 146. 

 Archteopteryx, 3, 4, IS. 

 Ardea herodias, 95. 



virescens, 96. 

 Ardeida^ 94. 

 AsLo aucipitrinus, 126. 



wilsonianus, 128. 

 Auk, Great, 20. 



Razor-billed, 20. 

 Auks, 20, 21, 28, 30. 

 Avocet, 32, 33. 

 Avocettula, 31. 



Bill, the, as a hand, 30. 



as a musical instruniL-nt, 30. 

 as a weapon, 31. 

 sexual adornment of, 30. 

 uses of, 30. 



Birds, altricial, 69. 



ancestors of, 2. 



beauty of, 9. 



bill of, 30. 



biography of, 73. 



characters of, 2. 



colors of, 35. 



distribution of, 4. 



economic value of, 5. 



egg!i of, 'i8. 



evolution of, 14. 



feet of, 27. 



field key to, 75. 



flightless, 19. 



grace of, 10. 



liow to identify, 71. 



mating of, 65. 



mental developTnent of, 10. 



migration of, 4^. 



musical po\Yers of, 10. 



nests of, fi5. 



number of specii-s of, 1. 



place in Nature of, 1. 



prtficocial, 69. 



relation to man of, 5. 



scientific value '"'f, 5. 



songs of, 11, 62. 



tail of, 25. 



topography of, 74. 



voice of, 62. 



wings of, 17. 



young of, 70, 

 Bittern, American, 98. 

 Blackbird, Crow, 168. 



Redwlnged, 166. 

 Blackbirds, 55, 163. 

 263 



