INDEX. 
Small-billed creeper 290 
Smaller white-cheeked goose 689 
Smell, sense of 178 
Smoky pies 419 
Smutty-nosed 
jay 425 
shearwater 783 
Snake-bird 730 
Snake killer 474 
Snaring birds 3 
Snipe 614, G20 
american 621 
english 621 
european 621 
grass 626 
gray 622 
jack 621, 626 
red-bellied 623 
red-breasted 622 
robin 632 
stone 638 
true 620 
web-toed 622 
Wilson's 621 
Snow 
bunting 356 
geese 685 
goose 685 
grouse 585 
owls 510 
sparrows 377 
Snow-bird 
black 377 
cinereous 379 
eastern 377 
gray-headed 379 
hybrid 378 
mexican 379 
Oregon 378 
pink-sided 379 
red-backed 379 
white-winged black 378 
Snow-birds 377 
Snowflake 356 
Snowy 
heron 660 
owl 510 
ring plover 603 
Snub-nosed 
auk 807 
auks 806 
Solan goose 720 
Solitaire 65 
Solitary 
greenlet 333 
sandpiper 639 
tattler 639 
Somateria 708, 710 
dresseri 712 
fischeri 710 
mollissima 710 
spectabilis 712 
stelleri 709 
v-nigrum 712 
Somatopleura 226 
Song of birds 206 
Song grosbeak 
black-headed 389 
rose-breasted 389 
Song grosbeaks 388 
Song sparrow 371 
cinereous 372 
gray 372 
kadiak 372 
lincoln's 370 
Oregon 372 
Song sparrow 
rusty 372 
Samuels' 372 
swamp 370 
Song sparrows 369, 371 
Songless passeres 427 
Sooty 
albatross 776 
fork-tail petrel 781 
grouse 580 
guillemot 815 
shearwater 787 
tern 768 
Sora 673 
Soree 673 
Southeast fish crow 417 
Southern sand-hill crane 667 
South-southerly 706 
Southwestern shore lark 282 
Spanish curlew 651 
Sparrow 344 
arizona chipping 380 
artemisia 376 
baird's savanna 360 
beaked savanna 363 
black-chinned 381 
black-faced sage 376 
bleached yellow-winged 366 
brewer's 381 
California sage 376 
, jihipping 380 
cinereous song 372 
clay-colored 381 
common savanna 363 
eastern fox 385 
english 344 
european 344 
field 380 
fox 385 
gambel's crown 383 
golden crown 383 
grasshopper 365 
gray song 372 
Harris' 384 
heermann's song 372 
henslow's grasshopper 366 
intermediate crown 338 
ipswich savanna 361 
kadiak song 372 
large-billed fox 386 
lark 384 
lark savanna 363 
le conte's grasshopper 366 
lincoln's song 370 
mountain 344 
nevada sage 376 
oak-woods 373 
Oregon song 372 
pipit savanna 363 
rustv song 372 
sage 376 
saint lucas savanna 364 
Samuels' song 372 
san diego savanna 363 
slate-colored fox 386 
song 371 
swamp song 370 
texas 398 
townsend's fox 385 
tree 379 
white-crowned 383 
white-throated 383 
yellow-winged 365 
Sparrow hawk 537 
Cuban 538 
isabel 538 
Sparrow owls 514 
Sparrows 
chipping 379 
crown 381 
fox 385 
grass 364 
grasshopper 365 
ground 360 
lark 384 
quail 365 
sage 375 
savanna 360 
sea-side 367 
snow 377 
song 369 
Spatula 696 
clypeata 696 
Spatulate 
bill 102 
tail-feathers 116 
Spear-billed grebes 793 
Specialized forms 76 
Species 72, 73 
Specific 
characters 72 
names 80 
Speckle-belly 684 
Speckled caiion wren 276 
Speckle-tailed wren 278 
Spectacled 
eider 710 
guillemot 815 
Spectral owl 509 
Spermatozoa 218 
Spermophila 392 
moreleti 392 
Spheniscomorphae 171, 788 
Sphenoid bone 158 
Spheno-palatine ganglion 1 
Sphenotic bone 156 
Spinal 
accessorv nerve 177 
chord 176 
column 137 
nerves 177 
Spine-tail 
grouse 580 
swifts 457 
Spirit-duck 705 
Spiza 387 
americana 387 
townsendi 388 
Spizella 379 
agrestis 380 
arizonag 380 
atrigularis 381 
breweri 381 
domestica 380 
monticola 379 
pallida 381 
Sphyropicus 485 
nuchalis 486 
ruber 486 
thyroides 486 
varius 486 
Splanchnology 209 
Splanchnopleura 226 
Splenial bone 166 
Spoonbill, roseate 651 
Spoonbill ducks 696 
Spoon-billed sandpiper 634 
Spoonbills 651 
american 651 
Spotted 
grouse 578 
sandpiper 640 
