1919. SECOND TEN 
SHERMAN 
mourning dove nestlings, 153. 
Shoveler, see Spatula clypeata. 
Shrike, Alaska, see Lanius borealis invictus. 
California, see Lanius ludovicianus gam- 
beli. 
Island, see Lanius ludovicianus an- 
thonyi. 
Migrant, see Lanius ludovicianus mi- 
grans. 
Northern, see Lanius borealis borealis. 
White-rumped, see Lanius ludovicianus 
excubitorides. 
Shrike-thrush, Gray, see Collyriocichla har- 
monica. 
Shufeldt, Robert Wilson: XIV, study of the 
eggs of the Meleagridae, 209. 
XV, an introduction to the study of the 
eggs of the North American Limicolae. 
138. 
XVI, on the oology of the North American 
Pygopodes, 169. 
Sialia currucoides 
(“Mountain Bluebird), 
Aviz~ oxi, 110") Califc, XU, '69%:) XI, 44, 
HAG OXe, aid, Tea" XV 40) 143, 1478; 
7 ReeNOVeN Sos 199) 20as) Vil, 98%s) SXOVILL, 
201= (Colo:,, XI, 17, 70%, 122%) XII, 395 XIV, 
104; XVII, 95, 151; XIX, 152; Idaho, XVII, 
Hormexdixe 40.7) Mons. cll. 807), 1195) 91196; 
202; XIV, 32, 108%; XV, 184°, XVI, 144; 
Nev., XII, 88; N. Mex., XIV, 116°; Ore., 
XIX, 140; S. Dak., XIII, 104; Wash., XVI, 
252, 253°—Food, XVII, 108%; nest, XII, 
200, 202; XIV, 104, 148, 147"; XV, 85, 199°; 
XVI, 144; photo., XII, 200, 202; XIV, 103; 
miscl., XVI, 153°: XVIII, 63°. 
mexicana bairdi (*Chestnut-backed 
Bluebird), Ariz., XIII, 37; XVIII, 159°; 
Colo; XI, 17; XM; 39; XV, 104> N. Mex, 
XIV, 114°. 
mexicana occidentalis (*Western Blue- 
bird, *anabelae), Calif., XI, 21, 172, 194; 
XIII, 74, 121, 134, 163, 205, 206°; XIV, 14, 
40, 145, 221-2228; XV, 119, 156%, 188”; XVI, 
40, 62, 208, 210; XVII, 166, 192%, 196, 206, 
211", 234, 235; XVIII, 86; XIX, 57%, 169°; 
XX, 16, 19, 71; Idaho, XVII, 129; XVIII, 
82; L. Calif., XIV, 191; Ore., XVIII, 80; 
XIX, 53°, 133°, 140.—Disev., XVIII, 9°; 
food, XIII, 203, 204; nest, XIV, 145, 222°; 
XVI, 62; XVII, 166, 206, 211°, 285; XVIII, 
86; XIX, 169"; syn., XVI, 97°; miscl., XI, 
150°; XII, 177"; XVI, 99; XVIII, 12, 190°. 
sialis fulva (*Azure Bluebird), miscl., 
Lie: 
sialis sialis ("Bluebird), Ark., XVII, 57; 
Kan., XI, 155, 156, 164; Mon., XII, 80; 
XV, 184; S. Dak., XIII, 98"; Tex., XX, 44.— 
Food, XVIII, 133"; nest, XX, 44; miscl., 
MAT, Aes XT, 845 KVL, 25%. 
Silliman, Oscar Perry: XVII, range of the 
California clapper rail, 201; fork-tailed 
petrels delayed by storm, 204; late mi- 
gration of the cedar waxwing, 205; an- 
other Mexican ground dove for Califor- | 
YEAR INDEX 
“I 
on 
SMITH 
nia, and other notes, 
Silloway, Perley Milton: 
indeterminates, 86. 
Simmons, George Finley: XVII, with Rallus 
in the Texas marsh, 3. 
Siskin, Pine, see Spinus pinus pinus. 
Sitta canadensis ("Red-breasted Nuthatch), 
Alaska, XVI, 88; XVII, 28; Ariz., XIII, 35; 
10.6, WOKE 1 (Ch, Oy, PALS Chihte, cae Ge 
205, 210; XIV, 176%; XV, 203; XVI, 38, 59, 
G65 672, 702. XeVille 80s KAVII 28) xeiKe 
186; XX, 12, 16, 46; Idaho, XIV, 194; XVI, 
121°; XVII, 128; Mon., XIV, 31; XVI, 142; 
XVIII, 168; Ore., XIII, 69; XVIII, 80; XIX, 
140; Wash., XI, 55; XII, 168°—Nest, XVI, 
59, 67°, 70°; miscl., XI, 93%: XII, 136. 
carolinensis aculeata ("Slender-billed 
Nuthatch), Calif., XI, 172; XIII, 108, 163; 
ING AEBS >.OV6 tay, all) PARIS aig a7), al eh 
210; XVII, 197; XX, 75; Idaho, XVII, 128; 
Ore., XIX, 140.—Nest, XIV, 1748; XV, 85; 
XVII, 197; XX, 75; miscl., XX, 88. 
carolinensis carolinensis (*White-breast- 
ed Nuthatch), Ark., XVII, 55; Kan., XI, 
155, 156, 163; N. Dak., XVII, 223; XX, 176". 
carolinensis nelsoni (*Rocky Mountain 
Nuthatch), Ariz., XIII, 35; XIV, 213-215; 
MDX, 10375 XX, 215 Colo:, XA, 17, 1215 XT, 
39; Idaho, XIV, 194; Mon., XII, 2008; XIV, 
207. 
XI, a problem in 
oe XOVE, 142) IN. Mex. X<II, 182) Xaiv, 
113"; Ore., XIX, 140; Tex., XIX, 164.— 
Nest, XIV, 213; photo., XIV, 214-215; 
miscl., XX, 88. 
carolinensis tenuissima (Inyo Slender- 
billed Nuthatch), Calif., XX, 88—Descr., 
distb., meas., XX, 88-89. 
neumayeri, Asia, XII, 179. 
pygmaea leuconucha, L. Calif., XX, 58. 
pygmaea pygmaea (*Pigmy Nuthatch), 
Ariz., XIV, 213; XVIII, 159%; XIX, 103%; 
KOXe ol CCalife Xi Silly Vey TATE exaViLle 
Mo davai, Whee oorc, 76S (o@lKox, <6 ilz/s 
XIV, 103; Idaho, XVII, 128; Mon., XVII, 
12 NS Mexe Xie 182) xelven 152s One: 
XIX, 133", 140.—Nest, XIV, 147; XX, 73; 
miscl., XI, 93°; XVIII, 12. 
Skimmer, Black, see Rhynchops nigra. 
Skinner, Milton Philo: XVIII, the nutcrack- 
ers of Yellowstone Park, 62. 
XIX, the ospreys of the Yellowstone, 117; 
the birds of Molly Island, Yellowstone 
National Park, 177. 
Skua, see Megalestris skua. 
Skylark, see Alauda arvensis. 
Sloanaker, Joseph Lyday: XIV, two new 
Arizona records, 154. 
XVII, New Years Day bird census 
Palisades, Mesa County, Colorado, 60. 
Smith, Austin Paul: XI, observations on 
some birds found in southern Mexico, 
57; the swamp sparrow on the lower 
Rio Grande, 101; the Derby flycatcher 
(Pitangus derbianus) a permanent resi- 
at 
