[35]. Forty Years’ Notes of a Field Ornithologist, by John Krider, Member of the Philadelphia Academy of Natural Sciences and author of Krider’s Sporting Anecdotes, Philadelphia. Giving a description of all birds killed and prepared by him. Philadelphia, 1879, 8vo. pp. i-xi, 1–84.
[36]. Zoölogical Miscellany, edited by Dr. F. W. Langdon. Jour. Cincinnati Soc. Nat. Hist., Vol. IV, Dec., 1881, pp. 336–346.
[37]. Annotated List of the Birds of Nevada. By W. J. Hoffman, M. D. Bull. U. S. Geol. and Geog. Survey of the Territories, Vol. VI, No. 2, Sept. 19, 1881, pp. 203–256, and map.
[38]. Ornithologist and Oölogist, Vol. VI, pp. 78, 79.
[39]. This Bulletin, Vol. III, p. 123.
[40]. See this Bulletin, Vol. IV, p. 137.
[41]. Its distribution in Arizona is apparently limited to a comparatively small area which, according to Mr. Stephens’ experience, is bounded on the east by the valley of the San Pedro; on the west by a point “a few miles east of the Hassayampa, on the desert between it and Salt River.”
[42]. Vol. XV, No. 3, March, 1881.
[43]. This Bulletin, Vol. VI, p. 67.
[44]. Birds of the Colorado Valley, p. 74.