Index. 



Shrike, 141-1.43. 



Northern, 141. 



White-rumped, 143. 

 Sialia, 158. 



arctica, 158. 



mexicana bairdi, 158. 



sialig, 158. 

 Siskin, 124. 



Pine 124. 

 Sitta, 154, 155. 



canadensis, 155. 



carolinensis aculeata, 154. 



pygmaea, 155. 

 Snipe, 46. 



Wilson's, 46. 

 Snowflake, 125. 

 Solitaire, 156. 



Townsend's, 156. 

 Sera, 43. 

 Sparrow, 124, 134, 161. 



Brewer's, 131. 



Chipping, 130. 



Clay-colored, 131. 



European House, 124. 



Gambel's, 129. 



Harris's, 128. 



Lincoln's, 134. 



Mountain Song, 134. 



Sage, 134. 



Savanna, 127. 



Slate-colored, 161. 



Western Chipping, 131. 



Western Field, 161. 



Western Lark, 127. 



Western Savanna, 127. 



Western Tree, 130. 



Western Vesper, 126. 



White-crowned, 128. 



White-throated, 130. 

 Spatula clypeata, 33. 

 Speotyto ounicularla hypogsea, 84. 

 Sphyrapicus, 90. . 



thyroideus, 90. 



varius, 90. 



varius nuchalls, 90. 

 Spinus pinus, 124. 

 Spizella, 130-131, 161. 



brewer!, 131. 



monticola ochracea, 130. 



pallida, 131. 



pusilla arenacea, 161. 



socialis, 130. 



socialis arizonse, 131. 



Stelgidoptej-yx serripennis, 140. 

 Sterna, 28. 



caspia, 28. 



hirundo, 28. 

 Studying Birds, Note on, 6, 7, 8. 

 Sturnella magna neglecta, 115. 

 Swallow, 140. 



Bank, 140. 



Barn, 139. 



Cliff, 138. 



Rough-winged, 140. 



Tree, 139. 



Violet-green, 139. 

 Swan, 40. 



Trumpeter, 40. 



Whistling, 40. 

 Swift, 96. 



White-throated, 96. 

 Symphemla semipalmata inornata 



T. 



Tachycineta, 139. 



bicolor, 139. 



thalassina, 139. 

 Tanager, 138. 



Louisiaiia, 137. 



Scarlet, 138. 

 Tern, 28. 



Black, 28. 



Common, 28. 



Forster's, 28. 

 Thrasher, 152. 



Brown, 152. 



Sage. 151. 

 Thrush, 157. 



Alaska Hermit, 157. 



Audubon's Hermit, 157. 



Olive-backed, 157. 



Willow, 157. 

 Titmouse, 161. 



Gray, 161. 

 Totanus, 49, 50. 



flavipes, 50. 



melanoleucus, 49. 

 Toxostoma rufum, 152. 

 Towhee, 135. 



Arctic, 135. 



Green-tailed, 136. 



Spurred, 135. 

 Tringa, 47, 48. 



bairdii, 47. 



maculata, 162. 



minutilla, 48. 



