INDEX. 



AERATED BONES, 103. 

 Air-cells in bones, 79. 

 Albatross, 90, 92, 176, 177. 



black-footed, 41. 



short-tailed, 41. 

 Albinism, def., 115. 

 Albinos, 115. 

 Anhinga, 50-51. 

 Ani, 102. 



Anthony, A. W., quoted, 38-41. 

 Assiniboia, 58. 

 Audubon, John James, 201. 

 Auklet, Cassiu's, 15, 16, 80. 

 Avocet, 103. 



BAHAMA ISLANDS, 172. 



Baie des Chaleurs, 43. 



Barbs, def., 81. 



Barbules, def., 81. 



Bats, 76, 77, 83. 



Bermuda Islands, 171. 



Big Spenser Mountain (Maine), 13. 



Bills of birds, 99-107. 



Bison, 58. 



Bittern, 6, 61, 253, 266. 



Blackbirds, Brewer's, 115. 



crow, 134, 254. 



red-winged, 115, 186. 



See also Grackle and Cowbird. 

 Bluebird, 74, 264. 

 Bobolink, 147, 258. 

 Bob-white, see Quail. 

 Bonaventure Island (St. Lawrence), 43. 

 " Booming " of sooty grouse, 191. 

 Breeding grounds, 157. 

 Brewster, William, quoted, 47, 164, 167-171 



264-267. ' 



"Brooding spots," 36. 

 Browning, Robert, quoted, 255. 

 " Budding" of ruffed grouse, 195. 

 Buffalo trails, 58. 

 Bunting, indigo, 150. 232. 



lazuli, 254. 



snow, 199, 200, 243, 264. 

 Burroughs, John, quoted, 255, 256. 



CAMERA, compared to the eye, 108-111. 

 Cape Sable (Florida), 52. 



Cardinal, Virginia, 150. 



Carpus, def., 70. 



Cartier, Jacques, quoted, 42. 



Casco Bay (Maine), 33. 



Catbird, 90. 



Caucomgornoc Lake (Maine), 12. 



Cedar-bird, 116, 152. 



Central Park (New York), 60. 



Cere, def., 20. 



Chapman, Frank M., quoted, 171, 258. 



Charlestown (Mass.), 179. 



Chat, yellow-breasted, 232. 



Chebec, see Least flycatcher. 



Cherry-bird, see Cedar-bird. 



Chesuncook Lake (Maine), 13. 



Chickadee, 161, 243, 253. 



Chipmunk, 26. 



Chuck-will's-widow, 257. 



Classification, basis of, 126. 



method of, 121-125. 

 Climate, effect of, on color, 144. 

 Color phases, 22, 117. 

 Coloration, asymmetrical, 106. 



protective, 50, 143-145, 149-154. 

 Columbus, guided by birds, 171. 

 Compressed bills, 102. 

 Coot (" mud hen "), 7. 



(duck), see Scoter. 

 Coracoids, 70. 



Cormorant, 31, 44-50, 57, 112. 

 Courlan, 50. 

 Cowbird, 115, 230-234. 



Argentine, 234. 



bay-winged, 234. 

 Cow blackbird, see Cowbird. 

 Cranes, 57, 59-60. 



brown, 49. 



Cross- bill, 101, 102, 243, 264. 

 Crow, 26, 27, 31, 88, 114, 116, 237, 264. 



fish, 49. 



Crow blackbird, 112, 134. 

 "-Crying bird," see Courlan. 

 Cuckoo, 96, 235, 264. 



black-billed', 225-228. 



European, 235. 



mangrove, 227. 



yellow-billed, 226, 228. 

 Curlew, pink, see Spoonbill. 

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