Nov., 1918 



217 



index to volume: XX 



Acanthis linaria linaria, 129 

 Accipiter cooperi, 18, 40, 127 



velox, 127 

 Aegialitis semipalmata, 185 

 Aeronautes melanoleucus, 103 

 Agelaius phoeniceus nevadensis, 72 



phoeniceus phoeniceus, 41, 186, 214 



tricolor, 18 

 Aimophila ruficeps eremoeca, 42, 212 

 Aix sponsa, 91 

 Ajaia ajaja, 79 



Albatross, Black-footed, 179, 180 

 Aluco pratincola, 40 



Ammodramus savannarum bimaculatus, 42 

 Amphispiza belli belli, 190 



bilineata bilineata, 42 



bilineata deserticola, 23 

 Anas platyrhynchos, 75 



Anderson, R. M., and Taverner, P. A., re- 

 view of their "summary report of the 

 geological survey of Canada, 1916", 

 141 

 Anhinga, 38 

 Anhinga anhinga, 38 

 Anser albifrons albifrons, 85 

 Anthus rubescens, 45 



spraguei, 24 

 Antrostomus carolinensis, 41 



vociferus macromystax, 22 

 Aphelocoma californica californica, 12, 18, 

 71, 117 



californica immanis, 190 



californica obscura, 60 



sieberi arizonae, 21 



texana, 212 

 Aphriza virgata, 85 

 Aquila chrysaetos, 72, 191 

 Archibuteo ferrugineus, 127 



lagopus sancti-johannis, 91 

 Archilochus alexandri, 21, 41, 46 

 Ardea herodias herodias, 18, 185 

 Ardetta exilis, 39 

 Asio flammeus, 101, 125, 127 



wilsonianus, 127 

 Astragalinus psaltria hesperophilus, 16 



tristis salicamans, 16 

 Astur atricapillus, 141 

 Asyndesmus lewisi, 18 

 Auklet, Cassin, 180 



Paroquet, 85 

 Auriparus flaviceps flaviceps, 43 



Baeolophus atricristatus sennetti, 43 



wollweberi, 21 

 Bailey, Florence Merriam, a return to the 

 Dakota Lake region, 24, 64, 110, 132, 

 170 

 Baldpate, 123 

 Belding, Lyman, death notice, 47; photo of, 



50 

 Bergtold, W. H., review of his "a study of 

 the incubation periods of birds — 

 what determines their length?", 95 

 Bittern, American, 28, 35, 75, 112, 136 



Least, 39 

 Blackbird, Brewer, 72 

 Nevada Red-wing, 72 

 Red-winged, 18, 31, 41, 64, 65, 186 

 Tricolored, 18 

 Yellow-headed, 34, 69 

 Bluebird, 44 



Western, 16, 18, 71 

 Bobolink, 34, 68, 112, 113 

 Bob-white, Texas, 39 

 Bombycilla cedrorum, 186 

 Bonasa umbellus, 185 

 Botaurus lentiginosus, 75 

 Bowles, J. H., northern owls again visit 

 Washington, 45; two more records for 

 the widgeon in Washington and other 

 notes, 93 

 Brachyramphus marmoratus, 184 

 Bradbury, William C, notes on the nesting- 

 habits of the white-throated swift in 

 Colorado, 103; notes on the nesting of 

 the mountain plover, 157; nesting of 

 the rocky mountain jay, 197 

 Branta canadensis, 185 



Bryant, Harold C, evidence on the food of 

 hawks and owls in California, 126; a 

 new bird for Catalina Island, 193 

 Bubo virginianus pacificus, 125, 127 

 virginianus pallescens, 40 

 virginianus saturatus, 45 

 Bunting, Indigo, 23, 24 

 Lazuli, 19, 23, 212 

 Painted, 42, 191 

 Bush-tit, Lead-colored, 170 

 Buteo borealis calurus, 40, 72, 127, 191 

 borealis krideri, 214 

 lineatus alleni, 40 

 swainsoni, 191 

 Butorides virescens anthonyi, 169 

 virescens virescens, 39 



