309 



Sialia sialis, 18, 21, 26, 27, 28, 29, 30, 31, 33, 34, 292-294, 



295. 

 Sickle-billed curler, 97. 

 Sitta canadensis, 36, 276. 

 carolinensis, 48, 276. 

 carolinensis acaleata, 276. 

 pusilla, 276. 

 pygmaea, 276. 

 Siskin, Pine, 183-184. 

 Skimmer, Black, 58. 

 Slate-colored Snowbird or Junco, 32, 34, 35, 198,203- 



206. 

 Slate-colored Sparrow, 212. 

 Slender-billed Nuthatch, 276. 

 Small-billed Water-Thrush, 35, 36, 37, 256. 

 Smith's Longspur, 185-186. 

 Snake Bird, 59. 

 Snipe, Jack, 30, 34. 92-93. 



Eed-breasted, 92. 



Eobin, 92. 



Wilson's, 11, 29, 30, 34, 35, 90-92. 

 Snowbird, Slate-colored (= Junco). 

 Snow Bunting, 33, 184-185. 

 Snowflake, 33, 184-185. 

 Snow Goose, Greater, 75. 



Lesser, 27, 29, 33, 35, 74-75. 

 Snowy Heron, 83. 

 Snowy Owl, 123. 

 Snow Plover, 101. 

 Solitaire, Townsend's 206, 282. 

 Solitary Sandpiper, 36, 37, 95-96. 

 Solitary Tattler, 36, 37, 95-96. 

 Solitary Vireo, 235-236. 

 Somateria dresseri, 73. 



spectabilis, 73. 

 Song Sparrow, 27, 28, 30, 33, 34, 35, 207-209. 



Mountain, 209. 

 Sooty Tern, 58. 

 Sora, 87. 



Southern Hairy "Woodpecker, 128. 

 Sparrow, Bachman's, 207. 



Baird's, 189-190. 



Black-chinned, 203. 



Black- throated, 206. 



Boucard's, 207. 



Brewer's, 201-202. 



Cassin's, 207. 



Chadbourne's, 202-203. 



Chipping, 30, 34, 35, 200, 233. 



Clay-colored, 201. 



English, 34, 184. 



European House, 34, 184. 



European Tree, 184. 



Field, 28, 30, 33, 34, 202. 



Fox, 27, 28, 33, 34, 35, 211-212. 



Golden-crowned, 196. 



Grasshopper, 36, 190. 



Harris's, 27, 32, 193-195. 



Henslow's, 191. 



Intermediate, 196. 



Ipswich, 188. 



Lark, 35, 192-193. 



Le Conte's, 191-192. 



Lincoln's, 36, 37, 110, 209-210. 



Mexican, 207. 



Sparrow, Mountain Song, 209. 



Nelson's Sharp-tailed, 192. 



Bock, 207. 

 Sage, 206. 



Savanna, 31, 32, 34, 35, 36, 188-189. 



Seaside, 192. 



Sharp-tailed, 192. 



Slate-colored, 212. 



Song, 27, 28, 30, 33, 34, 35, 207-209. 



Swamp, 28, 30„33, 34, 35, 36, 37, 206, 208, 210-211. 



Texas, 212. 



Tree, 28, 30, 32, 33, 34, 182, 198-199. 



Yesper, 30, 31, 34, 187-188. 



Western Chipping, 200-201, 233. 



"Western Grasshopper, 191. 



Western Lark, 193. 



Western Savanna, 188, 189. 



Western Tree, 199-200. 



Western Vesper, 187, 188. 



White-crowned, 23, 28, 30, 32, 33, 34, 35, 36, 37, 

 195-196. 



White-throated, 28, 30, 32, 33, 34, 35, 36, 37, 

 196-198. 



Yellow-winged, 36, 190. 

 Sparrow Hawk, 29, 33, 34, 111, 119-120. 

 Spatula clypeata, 31, 36, 68. 

 Speotyto cunicnlaria hypogaaa, 123. 

 Sphyrapicus thyroideus, 130. 



varius, 34, 35, 37, 129-130. 



varius nuchalis, 130, 206. 

 Spinus pinus, 183-184. 



psaltria, 183. 



psaltria arizona?, 183. 



psaltria mexicanus, 183. 



tristis, 28, 33, 35, 36, 182-183, 245. 

 Spiza americana, 35, 36, 37, 220-221. 

 Spizella arenacea, 202-203. 



atrigularis, 203. 



breweri, 201-202. 



monticola, 28, 30, 32, 33, 34, 182, 198-199. 



monticola ochracea, 199-200. 



pallida, 201. 



pusilla, 28,30,33,34,202. 



socialis, 30, 34, 35, 200, 233. 



socialis arizonse, 200-201, 233. 

 Spoon-bill, Boseate, 80. 

 Spoon-billed Duck, 31, 36, 68. 

 Sporophila morelleti, 220. 

 Spotted Sandpiper, 97. 

 Sprague's Lark or Pipit, 264. 

 Sprague's Titlark, 264. 

 Sprig-tail, 27, 28, 31, 33, 34, 68-69. 

 Spruce Partridge or Grouse, 103. 

 Stelgidopteryx serripennis, 35, 230-231. 

 Stephens's Vireo, 206, 237. 

 Stercorarius longicaudus, 55. 



parasiticus, 55. 



pomarinus, 55. 

 Sterna antillarum, 58. 



forsteri, 57. 



fuliginosa, 58. 



hirundo, 58. 



maxima, 57. 



•3andvicensis acuflavida, 57. 



tschegrava, 57. 



