INDEX. 



349 



Asyndesmus, 165. 

 Auk, Great, 13. 



Razor-billed, 12. 

 Auklet, Cassin's, 7. 



Crested, 7. 



Least, 8. 



Paroquet, 7. 



Rhinoceros, 6. 



Whiskered, 8. 

 Auriparus, 312. 



flaviceps, 313. 

 Avocet, American, 83. 

 Aythya, 52. 



affinis, 53. 



americana, 52. 



collaris, 53. 



marila nearctica, 53. 



vallisneria, 53. 



BALDPATE, 49. 

 Baptornis advenus, 335. 

 Barornis regens, 339. 

 Bartramia, 96. 



longicauda, 96. 

 Basileuterus, 288. 



belli, 288. 



culicivorus, 288. 

 Basilinna, 178. 



leucotis, 178. 



xantusi, 178. 

 Becard, Xantus's, 179. 

 Bird, Man-of-War, 46. 



Red-billed Tropic, 39. 



Surf, 103. 



Yellow-billed Tropic, 39. 

 Bittern, American, 70. 



Cory's Least, 70. 



Least, 70. 

 Blackbird, Bicolored, 205. 



Brewer's, 209. 



Red-winged, 204. 



Rusty, 209. 



Tricolored, 205. 



Yellow-headed, 204. 

 Bluebird, 322. 



Azure, 322. 



Chestnut-backed, 323. 



Mountain, 323. 



San Pedro, 322. 



Western, 322. 



Bluethroat, Red-spotted, 321. 

 Bobolink, 202. 

 Bob- white, 106. 



Florida, 1 06. 



Masked, 107. 



Texan, 107. 



Bonasa, 112. 



umbellus, 112. 



umbellus sabini, 112. 



umbellus togata, 112. 



umbellus umbelloides, 112. 

 Booby, 40. 



Blue-faced, 40. 



Blue-footed, 40. 



Brewster's, 40. 



Red-footed, 40. 

 Botaurinae, 69. 

 Botaurus, 69. 



lentiginosus, 70. 

 Brachyramphus, 9. 



craven, 10. 



hypoleucus, 9. 



kittlitzii, 9. 



marmoratus, 9. 

 Brant, 63. 



Black, 63. 

 Branta, 62. 



bernicla, 63. 



canadensis, 62. 



canadensis hutchinsii, 62. 



canadensis minima, 63. 



canadensis occidentalis, 62. 



hypsibatus, 341. 



leucopsis, 63. 



nigricans, 63. 



propinqua, 341. 

 Bubo, 147. 



leptosteus, 344. 



virginianus, 148. 



virginianus arcticus, 148. 



virginianus saturatus, 148. 



virginianus subarcticus, 148. 

 Bubonidas, 142. 

 Budytes, 289. 



flavus leucostriatus, 289. 

 Buffle-head, 54. 

 Bullfinch, Cassin's, 212. 

 Bulweria, 34. 



bulweri, 35. 

 Bunting, Beautiful, 252. 



Indigo, 252. 



Lark, 254. 



Lazuli, 252. 



Painted, 252. 



Townsend's, 331. 



Varied, 252. 

 Burrica, 213. 

 Bush-Tit, 311. 



Calif ornian, 311. 



Grinda's, 312. 



Lead-colored, 312. 



Lloyd's, 312. 



Santa Rita, 312. 



