Skua, Poniarine, 708. 

 Slate-colored Junco, 118. 



Sparrow, 155. 

 Slender-billed Fulmar, 984. 

 Nuthatch, 287. 

 Shearwater, 870. 

 Snipe, American, 645. 

 Brant, 691'. 

 "English." 645. 

 Grass, 653. 

 Gray, 650. 

 Horsefoot, 691. 

 Jack, 64s, 653. 

 Red-bellied, 648. 

 Robin, 650. 

 Stone, 667, 691. 

 Western Red-breasted, 64*^. 

 Wilson's, 645. 

 Snow Bunting, 99. 

 Snow-bird, 118. 



Eastern, 118. 

 Hybrid, 121. 

 Oregon, iig. 

 Western, 119. 

 Snow-finch, Oregon, 119. 

 Snowflake, 99. 

 Snowv Heron, 975. 

 'Owl, 482. 

 Plover, 644. 

 Solitaire, Townsend's, 225. 

 Solitary Sandpiper, 976. 



Western, 671. 

 Somatcria v-nigra, 8og. 

 Song Sparrow, Dusky, 140. 

 Lincoln's, 145. 

 Merrill's, 140. 

 Mountain, 139. 

 Oregon, 979. 

 Rusty, 142. 

 Sooty, 145. 

 Sooty Fox Sparrow, 152. 

 Grouse, 571. 

 Song Sparrow, 145. 

 Sora, 608. 

 Sora Rail, 608. 

 Soree, 608. 

 South-southerly, 805. 

 Sparrow, Artemisia, 116. 

 Brewer's, 130. 

 Clay-colored, 964. 

 Crown, 135. 

 Desert, 114. 

 Domestic, 96. 

 English, 96. 

 Gambel's, 131. 

 Golden-crowned, 132. 

 Gray Savanna, 112. 

 Ground, iii. 

 Harris's, 972. 

 Hooded Crown, 972. 

 House, 96. 

 Intermediate, 134. 

 Intermediate-crowned, 134. 

 Kadiak Fox, 148. 



Larger Savanna, no. 



Leconte's, 979. 



Lincoln's, 145. 



Meadow, in. 



Merrill's Song, 140. 



Mountain Song, 139. 



Nevada Sage, 116. 



Nuttall's, 135. 



Oregon Song. 979. 



Oregon Vesper, 109. 



Pacific Vesper, 109. 



Rusty Song, 142. 



Sage, 116. 



Sandwich, no. 



Savanna, ni. 



Shumagin Fox, 979. 



Slate-colored, 155. 



Sooty Fox, 152. 



Sooty Song, 145. 



Townsend's, 150. 



Western Chipping. 127. 



Western Grasshopper, 972. 



Western Lark. 102. 



Western Savanna. n2. 



Western Tree. 125. 



\\'estern Vesper, 106. 



White-crowned. 135. 



Yakntat Fo.x, 980. 

 Sparrow Hawk. 539. 



Desert, 540. 

 Spatula clyjieata, 779. 

 Speckle-belly, 823. 

 Spcotyto ciinicularia hypogaca, 485- 

 Sphyiapiiiis ruber, 433. 



notkcnsis. 435. 



thyroidcns, 437. 



-L'arius nuchalis, 431. 

 Spike-tail, 783. 

 Spine-tail, 817. 

 Spinus pinus, 84. 

 Spi:cUa brcwcri, 130. 



iiionticola ocliracca. 125. 



pallida, 964. 



passerina arizonae. 127. 

 Spoonbill, 779. 

 Spotted Sandpiper, 678. 

 Spurred Towhee, 160. 

 Sprig-tail, 783. 

 Squatarola siiuatarola, 632. 

 Stake-driver, 622. 

 Stcgaiiopus tricolor, 706. 

 Strlgidoptcryx serripcnnis, 334. 

 Steller's Jay. 33. 

 Stellula calliope, 401. 

 Stcrcorarius longicaudus, 977. 



parasiticus, yog. 



pomarinus, 708. 

 Sterna caspia. 983. 



forstcri, 747. 



hirundo. 751. 



parudisaea. 754. 

 Stilt, Black-necked, 982. 

 Stilt Sandpiper, 976. 

 Stint, American, 656. 



995 



Stri.v occidentalc eaurina, 465. 

 Sluniella ncglecta, 63. 

 Surf Bird, 690. 



Scoter, 814. 

 Suruia ulula caparoch. 484. 

 Swainson's Hawk, 508. 

 Swallow-. American Barn, 339. 



Bank, 336. 



Cliff, 330. 



Eave. 330. 



Fork-tailed. 339. 



Northern Violet-green, 346. 



Republican, 330. 



Rough-winged, 334, 



Tree, 343. 



Violet-green. 346. 



White-bellied. 343- 

 Swan. Trumpeter. 840. 



Whistling, 838. 

 Swift. Black, 410. 



Cloud, 410. 



Mountain. 415. 



Northern Black Cloud, 410. 



Rock. 415. 



Rocky Mountain. 415. 



Vaux's, 413. 



White-throated, 415. 



White-throated Rock. 415. 

 Sxnthliborainphus aiitiquus, 918. 



Tachyciiieta thallassina lepida. 346- 

 Tanager, Crimson-headed, 170. 



Louisiana, 170- 



Western, 170. 

 Tattler. 669. 



Lesser, 669. 



Semipalmated. 672. 



\\'andering. 674. 



Yellow-shanks. 669. 

 Tawny Creeper, 296. 

 Teal, .\merican Green-winged, 772. 



Blue-winged. 774. 



Cinnamon, 776. 



Green-winged, 772. 



Red-breasted. 776. 

 Telmatodytcs palustris paludieola, 

 303- 

 plcsius. 301. 

 Tennessee Warbler. 965. 

 Tern, .'\rctic. 754. 



Black, 755. 



Caspian, 983. 



■Common. 751. 



Forster's 747. 



Gull-billed. 983- 



Marsh, 983. 



Paradise, 754. 



Portland, 754. 



Wilson's 751. 

 Thistle-bird. 89. 

 Thrasher, Sage, 320. 



