420 
Roadrunner, 173 ; some necessary 
changes in nomenclature, 178; 
notice of his papers describing 
new birds from Mexico and 
Lower Siam, 305. 
Ridgway, Robert, new species, etc., 
of North American birds. — V. 
Corvide. — (concluded), 27-29; 
new species, etc., of American 
birds.— VI. Fringillide (sup- 
plement), 29-30; announcement 
of his new work on North Amer- 
ican Birds, 404. 
Rissa tridactyla, 185. 
tridactyla pollicaris, 185. 
Roadrunner, 66, 173, 344 
Robbins, Reginald C., the Arctic 
Three-toed Woodpecker in Bev- 
erly, Mass., 173. 
Roberts, Thomas S., an account of 
the nesting habits of Franklin’s 
Rosy Gull (Larus frankiint?), as 
observed at Heron Lake in 
Southern Minnesota, 272-283. 
Robin, American, 73, 100, 101, 103, 
107, 348. 
Western, 245, 357. 
Rothschild, Walter, and Ernst Har- 
tert, notice of their ‘A Review 
- of the Ornithology of the Gala- 
pagos Islands’, 300-303. 
Ruff, 333. 
Russell, Frank, notice of his ‘Ex- 
plorations in the Far North,’ 181. 
SABIA, 299. 
Sage, John H., Seventeenth Con- 
gress of the American Ornithol- 
ogists’ Union, 58-63. 
Salpinctes obsoletus, 107. 
Salvadori, T., and E. Festa, notice 
of their Birds of Ecuador, Part 
I, Passeres oscines, 81; zd2d., 
Parts II and III, 303. 
Samuel, I. Hughes, the Western 
Red-tail at Toronto, Canada, 386 ; 
list of the rarer birds met with 
during the spring of 1900, in the 
immediate vicinity of Toronto, 
391. 
Sanderling, 204, 340. 
Sandpiper, Baird’s, 104, 390. 
Bartramian, 341, 364. 
Least, 286, 340, 364. 
Pectoral, 364. 
Purple, 309. 
Red-backed, 340. 
Index. Auk 
Oct. 
Sandpiper, Semipalmated, 104, 286, 
340, 364. 
Solitary, 364. 
Spotted, 71, 297, 364. 
Stilt, 104, 364. 
White-rumped, 172, 340, 364. 
Sapsucker, Red-naped, 244. 
Saunders, W. E., nesting habits of 
the Cerulean Warbler, 358-362. 
Saurothera bahamensis, 288. 
californiana, 66. 
Sawbill, 338. 
Saxicola montana, 304. 
oreophila, 304. 
Sayornis nigricans, 120, 124. 
nigricans aquatica, 125. 
nigricans semiatra, 125. 
pheebe, 181. 
saya yukonensis, I15. 
Saya, 353- 
Soe albigularis propinquus, 
Scolecophagus carolinus, 72, 345. 
cyanocephalus, 345. 
Scoter, Surf, 350. 
White-winged, 351. 
Scotiaptex cinerea, 72. 
Sea-Dottrel, 76. 
Seiurus aurocapillus, 292, 347. 
motacilla, 366. 
noveboracensis, 72, 347, 366. 
noveboracensis notabilis, 
366. 
Selasphorus floresi, 122. 
rufus, 8-15, 244. 
Selous, Percy $., the Red-necked 
Grebe in Michigan in winter, 
293; notice of death of, 322. 
Semnornis, 179. 
frantzii, 179. 
rhamphastinus, 179. 
Sennett, George B., notice of death 
of, 193. 
Setophaga ruticilla, 107, 348, 366. 
verticalis pallidiventris, 185. 
Sharpe, R. Bowdler, notice of his 
‘Hand-List of the Genera and 
Species of Birds,’ 79. 
Shearwater, 338. 
Black-vented, 247. 
Buller’s, 183. 
Dark-bodied, 349. 
Townsend’s, 249. 
Wedge-tailed, 250. 
Shrike, California, 107. 
Southern, 68. 
White-rumped, 347. 
