INDEX. 



Aerated bones, 103. 

 Air-cells in bones, 79. 

 Albatross, 90, 92, 1T6, 177. 



black-footed, 41. 



short-tailed, 41. 

 Albinism, def., 115. 

 Albinos, 115. 

 Anhinga, 50-51. 

 Ani, 102. 



Anthony, A. W., quoted, 3S-41. 

 Assiniboia, 58. 

 Audubon, John James, 201. 

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

 Avocet, 103. 



Bahama Islands, 172. 



Bale 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. 



BisoE 58. 



Bitten, 6, 61, 253, 266. 



Blackl.irds, Brewer's, 115, 



croN.-, 134, 254. 



red-^■.ing■ed, 115, 186. 



See Iso Grackle and Cowbird. 

 Bluebir 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. 



Caucomgomoc 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. 

 Chmate, effect of, on color, 144. 

 Color phases, 22, 117. 

 Coloration, asymmetrical, 106. 



protective," 50, 143-145, 140-154. 

 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- bUl, 101, 102, 243, 264. 

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



fish, 49. 

 Crow blackbird, 112, 134. 

 " Crjnng 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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