856 
Scientific names 78 
Scissors 25, 52 
Scissor-tail 431 
Scleroskeletal bones 134 
Sclerosteous bones 168 
Sclerotal bones 182 
Sclerotic 180, 182 
Scolecophagus 411 
cyanocephalus 411 
ferrugineus 411 
Scolopaceous courlan 668 
Scolopacide 614 
Scolopax 615, 620, 828 
rusticula 620 
Scops 504 
asio 505 
bendirii 506 
flammeola 506 
floridana 506 
kennicotti 505 
maccalli 506 
maxwelle 506 
trichopsis 506 
Scopus umbretta 652 
Scoter 
american black 718 
velvet 714 
Scoters 713 
Screech ow] 505 
california 506 
colorado 506 
flammulated 506 
florida 506 
kennicott’s 505 
texas 506 
Screech owls 504 
Scutella 124 
Scutellate podotheca 124 
Scutelliplantar tarsus 124 
Sea 
coot 718, 714 
ducks 698 
eagles 554 
parrot 802 
“ parrots 800 
Sea-dove 810 
Sea-pigeon 814 
Sea-shore sparrow 363 
Sea-side 
finch 367 
florida 368 
sparrows 367 
Sea-swallow 762 
Secondaries 113 
Secondary 
coverts 110 
sexual characters 89, 90 
Seed-eater, little 392 
Segmentation of the vitellus 224 
Selasphorus 462 
alleni 462 
henshawi 463 
platycercus 463 
rufus 463 
Selection 
natural 90 
sexual 90 
Sella turcica 198 
Semen 218 
Semicircular canals 188, 189 
Semilunar membrane 205 
Semipalmate 
foot 181 
tattlers 636 
Semipalmated 
plover 602 
_ Shell 
INDEX. 
Semipalmated 
sandpiper 624 
Semipalmation 131 
Semiplumes 86 
Semitendinosus 195 
Senex 539 
Sennett’s warbler 291 
Sense of 
hearing 184 
sight 178 
smell 178 
taste 191 
touch 191 
Sensori-motor nerves 174 
Sensory nerves 174 
Septo-maxillary 163, 173 
Septo-nasal 178 
Serrate bill 102 
Serration of tarsus 125 
Serum 196 
Sesamoid bones 134, 168 
of wing 108 
Setirostres 449 
Setophaga 315 
picta 315 
ruticilla 316 
Setophagine 288, 312 
Sex, determination of 45 
Sexual 
characters 89, 90 
selection 90 
Shaft of feather 84 
Shag 726 
* Shank 119 
Shapes of tail 117 
Sharp-shinned hawk 527, 528 
Sharp-tailed 
firich 368 
grouse 581 
sandpiper 628 
Shearwater 
black-vented 786 
black-tailed 783 
cinereous 784 
common atlantic 785 
cory’s 
dark-bodied 787 
dusky 786 
flesh-footed 785 
greater 785 
manx 786 
mediterranean 784 
slender-billed 787 
smutty-nosed 783 
sooty 787 
wandering 785 
Shearwaters 783 
fulmar 783 
doves 570 
quail 593 
Shining fly-snapper 328 
Shoe-bill 654° 
Shoot, how to 8 
Shore-birds 596 
Shore larks 281 
Short-billed 
kittiwake 748 
marsh wren 280 
Short-eared owl 507 
Short-legged tattler 643 
Short-tailed 
albatross 775 
tern 770 
Short-winged murrelet 814 
Shot 3 
Shot-gun 1 
. Shoulder 106 
Shoulder-blade 146 
Shoulder-girdle 145 
Shoveller duck 696 
Shrike 
common american 338 
great northern 337 
loggerhead 338 
white-rumped 338 
Shrikes 336 
gray 337 
true 336 
Shuffler 701 i 
Sialia 257 
arctica 258 
mexicana 258 
sialis 257 
Siberian 
titmouse 267 
wagtail 284 
Sickle-bill 645 
Sickle-billed kites 523 
Sierra jay 422 
Sight, sense of 178 
Se moid flexure of neck 93 
buntings 387 
Sere 871 
Simorhynchus 806 
cassini 808 
cristatellus 807 
dubius 807 
psittaculus 806 
pusillus 808 
ygmeus 808 
tetraculus 807 : 
Sinciput 97 
Singing of birds 206 
Sinus rhomboidalis 176 
Siskin, american 354 
Siskins 353 
Sitta 270 
aculeata 271 
cxsia 270 
canadensis 271 
carolinensis 270 
Nese 271 
pygmea 271 
’ Sittella 269 
Sittida 269 
Sitodrepa panicea 55 
Siurus 308 
auricapillus 308 
motacilla 309 
neevius 309 
notabilis 309 
Skeleton of birds 134 
Skeletonizing 48 
Skimmer, black 772 
Skimmers 772 
Skimming birds 28 
Skua gulls 734 
Skull of birds 149 
Skull, development of fowl’s 151 
Skunk blackbird 400 
Skylarks' 282, 288 
Sky pipits 286 
Slate-colored fox apertoy 386 
} Slit-nosed longwings 733 
Slender-billed 
fulmar 778 
nuthatch 271 
shearwater 787 
Small 
egret herons 659 
green-crested flycatcher 441 
