60 PACIFIC COAST AVIFAUNA No. 13 
OREOSPIZA 
XV, 84; XX, 77%; photo., XIX, 36"; miscl., 
xo G2) exeVile 25a 
Oriole, Arizona Hooded, see Icterus cucul- 
latus nelsoni. 
Audubon, see Icterus melanocephalus 
auduboni. 
Baltimore, see Icterus galbula. 
Bullock, see Icterus bullocki. 
Cuban, see Icterus hypomelas. 
Hooded, see Icterus cucullatus cucul- 
latus. 
Lichtenstein, see Icterus gularis gularis. 
Orchard, see Icterus spurius. 
Scarlet-headed, see Icterus pustulatus. 
Sclater, see Icterus sclateri. 
Scott, see Icterus parisorum. 
Sennett Hooded, see Icterus cucullatus 
sennetti. 
Wagler, see Icterus wagleri. 
Ortalis vetula maccalli (*Chachalaca), Te- 
pic) cll, 775) Mex: Sal 935 945. 
vetula plumeiceps, Guatemala, XI, 72. 
Osburn, Pingree I.: XI, the American red- 
start in southern California, 102; notes 
on the birds of Los Coronados Islands, 
Lower California, 134; nesting of the 
Heermann gull, 151; notes on the nest- 
ing of the western martin, 208. 
XII, the nesting of the Frazar oyster-catch- 
er, 73; a booby (Sula sula) on the 
west coast of Mexico, 80; accidental 
trapping of raptores, 80. 
XIII, collecting Socorro and black petrels 
in Lower California, 31; the California 
shrike as a reptile destroyer, 75; notes 
on two birds from Santa Catalina Isl- 
and, California, 76; the yellow rail in 
southern California, 108. 
XV, expulsion from Cooper Club, 51. 
Osgood, Wilfred Hudson: XI, rev. of J. 
Grinnell’s, E. Heller's, F. Stephens’, 
and J. Dixon’s “birds and mammals of 
the 1907 Alexander expedition to south- 
eastern Alaska”, 106. 
XIII, rev. of H. S. Swarth’s “birds and 
mammals of the 1909 Alexander Alaska 
expedition”, 212. 
Osprey, see Pandion haliaetus carolinensis. 
Ossifraga gigantea (*Giant Fulmar), Peru, 
OVAL ea ose 
Otocoris alpestris actia ("California Horned 
Lark), Calif., XI, 171, 185"; XII, 107;° XIII, 
161; XV, 1568; XVI, 33; XVII, 131°, 164, 
196; XVIII, 112, 227; XIX, 60, 156", 169. 
Flight, XVIII, 112, 113; nest, XVIII, 
227. 
alpestris adusta (Scorched Horned 
Lark), Ariz., XIV, 53. 
alpestris alpestris (‘Horned Lark), S. 
Dak., XIII, 97°, 103°. 
alpestris ammophila, Calif., XVIII, 186. 
alpestris arcticola (Pallid Horned Lark), 
Mon., XIV, 27; XVI, 185; Yukon, XI, 206. 
alpestris enthymia, Colo., XIV, 148, 151, 
152, 226. 
OTUS 
alpestris euroa, Siberia, XVIII, 236. 
alpestris giraudi (Texas Horned Lark), 
Tex., XII, 100. 
alpestris insularis (‘Island Horned 
Lark), Calif:, XII, 50-51", 171°, 172; XIII, 
164, 166", 209; XV, 91. 
alpestris leucansiptila ("Yuma Horned 
Lark), Calif., XVII, 186; XX, 146". 
alpestris leucolaema (*Pallid Horned 
Lark, "Desert Horned Lark), Calif., XVII, 
233; Colo., XI, 15, 70°, 118; XII, 26%, 34; 
XIII, 80; XIV, 96; XVII, 60°; Idaho, XIX, 
36; Mon., XIV, 27, 108, 217, 220°; XVI, 
135; Tex., XIX, 163.—Nest, XI, 118. 
alpestris merrilli (*Dusky Horned 
Lark), Calif., XVII, 186; Idaho, XVI, 122; 
XVII, 126; Nev., XII, 87; Ore., XIII, 67; 
XIX, 133%, 1837; Wash., XV, 1385; XVI, 251, 
254*.—Nest, XII, 87; XV, 135; photo., XI, 
183%. XV, 135: ‘misel., 3a teas 
alpestris pallida (Sonora Horned Lark), 
Calif., XIII, 132; XIV, 37; XVII, 186, 233. 
alpestris praticola (*Prairie Horned 
Lark), Colo., XIV, 148, 150, 151; N. Dak., 
XVII, 177-178"; XX, 69%; Tex., XVIII, 155", 
189°. 
alpestris strigata (Streaked Horned 
Lark), Ore., XVIII, 77. 
Otus asio aikeni (Aiken Screech Owl), Ariz., 
XX, 24. 
asio asio (*Screech Owl), Ark., XVII. 
44- GColo., XIV, 148, 150; Kan.) xyes 
158; S. Dak., XVIII, 130.—Nest, XVIII, 
130; nomen., XVIII, 228%; miscl., XI, 92°. 
asio bendirei (California Screech Owl, 
“Coast Screech Owl), Calif., XIJI, 73; XVI, 
31; XVII, 79, 167, 194; XSDX, 57%; Xoxsat2de 
—Food, XX, 127. 
asio brewsteri (*Screech Owl), Ore., 
XVI, 189; XIX, 46, 50°, 96°. 
asio cinerascens (Mexican Screech 
Owl), Ariz., XVIII, 211—Meas., XVIII, 
165; tax., XVIII, 164. 
asio gilmani (*Sahuaro Screech Owl, 
"Mexican Screech Owl, ‘cinerascens), 
Ariz., XI, 202°; XIV, 57°, 60°; XVII, 1637; 
XVIII, 211; Calif., XIII, 131; XIV, 154.— 
Descr., XII, 140; meas., XVIII, 165; nest, 
XIV, 57°; photo., XI, 202°; syn., XVI, 189°; 
tax., XVIII, 163; miscl., XII, 140°. 
asio kennicotti (*Kennicott Screech 
Owl), Alaska, XVI, 83, 90; XIX, 16; B. C., 
XX, 185; Ore., XVIII, 76; Wash., XI, 56; 
XIX, 143.—Hbt., XIX, 126"; nest, XIX, 143. 
asio maccalli (Texas Screech Owl), 
Tex., XII, 103; XV, 182; XX, 40.—Nesl, 
XX, 40. 
asio macfarlanei (MacFarlane Screech 
Owl), Idaho, XVIII, 82; Ore., XIII, 66; 
XIX, 136. 
asio maxwelliae (*Rocky Mountain 
Screech Owl), Colo., XI, 90%, 109°, 118; 
Mon., XVIII, 162.—Nest, XI, 90°; miscl., 
Realoas 
asio quercinus (Southern California 
