548 Birds of Colorado 
07 RockwELL, R. B. Some Colorado Notes on the Rocky Mountain 
Sereech Owl. Condor, 1x., 1907, pp. 140-145. With five 
photographs of nest and young birds. 
08 Rocxwrtt, R. B. Nesting of the Western Horned Owl in 
Colorado. Condor, x., 1908, pp. 14-17. With two photographs 
of nest and eggs. 
08 Rockwett, R. B. The Red-winged Blackbirds of Colorado. 
Condor, x., 1908, p. 93. Identification of « third subspecies, 
A. p. neutralis, among the wintering Red-winged Blackbirds 
of Colorado. 
08 Rockwe.i, R. B. An Annotated List of the Birds of Mesa co., 
Colorado. Condor, x., 1908, p. 152. 
08 Rockweti, R. B. A striking Example of Protective Coloration. 
Condor, x., 1908, p. 207. Photograph of a Rocky Mountain 
Screech Owl on the nest. 
10 Rockwett, R. B. Some Colorado Night Heron Notes. Condor, 
xu, 1910, pp. 113-121, six photographs. 
10 Rockwetr, R. B. Nesting of the Grey-headed Junco. Condor, 
xm, 1910, pp. 164-165, one photograph. 
66 R. V. R. 8S. Winter Snipe in Colorado. Forest and Stream, 
XXvV1., 1886, p. 5; also Auk, Iv., p. 337. 
10 RockweE.LL, R. B. Nesting Notes on the American Eared Grebe 
and Pied-billed Grebe. Condor, x1., 1910, pp. 188-193, five 
photographs. 
23 Say, T. Account of an Expedition from Pittsburg to the Rocky 
Mountains, Performed in the Years 1819 and 1820. Two vols. 
8vo., Philadelphia, 1823, About eight new species are described 
from what is now Colorado ; several other species are incidentally 
mentioned. 
94 ‘‘S. Bos-Wuirz” Feathered Butchers. Nidol., 1., 1894, p. 138. 
Note on Northern and White-rumped Shrikes. 
08 ScuatzeR, W. L. Winter Birds of Colorado. Ibis, 1908, pp. 
443-450. 
79 Scorr, W. E. D. Notes on Birds Observed at Twin Lakes, Lake 
co., Colorado. Bull. Nutt. Orn. Club, rv., 1879, p. 90. 
84 SmirnH, H. G. The Shore-Lark. Orn. and Ool., rx., 1884, p. 94. 
84 SmrrnH, H. G. Notes from Denver, Colorado. Orn. and Ool., 
1x., 1884, p. 120. Notes on House-Finch, Bohemian Waxwing 
and Say’s Pheebe. 
85 Situ, H. G. Cassin’s Purple Finch. Orn. and Ool., x., 1885, 
p. 90. Wintering near Denver. 
86 Smrro, H. G. Some Additions to the Avifauna of Colorado. 
Auk, 11., 1886, p. 284: i. Rusty Grackle, Cormorant and 
Herring-Gull. 
