INDEX. 



371 



Auriparus flaviceps, 338, 

 Avocet, American, 146. 

 Aytliya, K18. 



afifinis, 119. 



americana, 118. 



coliaris, 119. 



marila nearctica, i ig. 



vallisneria, 1 18. 



Baldpate, 116. 

 Baptornis advenus, 359. 

 Bartramia, 157. 



longicauda, 157. 

 Basileuterus, 3r8. 



belli, 318. 



culicivorus, 318. 

 Basilinna, 227. 



xantusi, 227. 

 Bird, Red billed Tropic, 107. 



Surf, 164. 



Yellow-billed Tropic, 106. 

 Bittern, American, 134. 



Least, 134. 

 Blackbird, Bicolored, 249. 



Brewer's, 253. 



Red- winged, 249. 



Rusty, 253. 



Tricolored, 249. 



Yellow-headed, 249. 

 Bluebird, 346. 



Azure, 346. 



Mountain, 347. 



Western, 346. 

 Bluethroat, Red-spotted, 34^. 

 Bobolink, 247. 



Western, 247. 

 Bob-white, 167. 



Florida, 167. 



Grayson's, 168. 



Masked, 168. 



Texan, 167. 

 Bonasa, 172. 



umbellus, 172. 



umbellus sabini. 173. 



umbellus togata, 172. ' 



umbellus umbelloides, 172. 

 Booby, 107. 



Blue-faced, 107. 



Red-foot^, 108. 

 Botaurinae, 134. 

 Botaurus, 134. 



exilis, 134. 



lentiginosus, 134. 

 Brachyramphus, 80. 



Brachyramphus ctpveri, 81. 



hypoleucus, 81. 



kittlitzii, 81. 



marmoratus, 80. 

 Brant, 127. 



Black, 128. 

 Branta, 126. 



bernicla, 127. 



canadensis, 126. 



canadensis hutchinsii, 127. 



canadensis minima, 127. 



canadensis cccidentalis, 127. 



hypsibates, 364. 



leucopsis, 128. 



nigricans, 128. 

 Bubo, 202. 



leptosteus, 366. 



virginianus, 202. 



virginianus arcticus, 203. 



virginianus saturatus, 203. 



vir<.'inianus subarcticus, 202. 

 Bubonidae, 198. 

 Budytes, 319. 



flavus leucostriatus, 319. 

 Bullfinch, Cassia's, 255. 

 Bulweria, 103. 



bulweri, 103. 

 Bunting, Indigo, 288. 



Lark. 290. 



Lazuli, 288. 



Painted, 288. 



Townsend's, 354. 



Varied, 288. 

 Bush-Tit, 337. 



Black-eared, 337. 



Californian, 337. 



Grinda's, 337. 



Lead-colored, 337. 

 Buteo, 187. 



abbreviatus, 189. 



albicaudatus, 189. 



borealis, 187. 



borealis calurus, 188. 



borealis kriderii, 188. 



borealis lucasanus, 188. 



brachyurus, 190. 



buteo, 187. 



cooperi, 353. 



fuliginosus. 353. 



harlan', 188. 



latissiiTius, 190. 



lineatus, 188. 



lineatus alleni, 189. 



lineatus elegans, 189. 



swainsoni, 189. 



