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1882. Notes on the plumage of Nephoecetes niger borealis. Bull. Nutt. Orn. 

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DWIGHT, J. 



1918. The geographical distribution of color and of other variable characters 

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Elliot, D. G. 



1905. Descriptions of three apparently new species of mammals. Proc. 

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Emmons, G. T. 



1911. The Tahltan Indians. University of Pennsylvania, The Museum, 

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GrOULD, J. 



1862-1873. The birds of Great Britain. (London, published by the author), 

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Gbinnell, J. 



1900. Birds of the Kotzebue Sound region, Alaska. Pacific Coast Avifaifna, 



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1901. Two races of the varied thrush. Auk, 18, pp. 142-145. 



1909a. A collection of birds from Forty-mile, Yukon Territory, Canada. 



Condor, 11, pp. 202-207. 

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Alaska. The birds. Univ. Calif. Publ. Zool., 5, pp. 181-244. 



1910. Birds of the 1908 Alexander Alaska Expedition, with a note on the 



avifaunal relationships of the Prince William Sound district. Univ. 

 Calif. Publ. Zool., 5, pp. 361-428, pis. 33-34, 9 figs, in text. 



1914. An account of the mammals and birds of the lower Colorado Valley, 



with especial reference to the distributional problems presented. 



Univ. Calif. Publ. Zool., 12, pp. 51-294, pis. 3-13, 9 figs, in text. 

 1916. A new ruffed grouse, from the Yukon Valley. Condor, 18, pp. 166- 



167. 

 1918. The subspecies of the mountain chickadee. Univ. Calif. Publ. Zool., 



17, pp. 505-515, 3 figs, in text. 



Ghisoom, L., and Harper, F. 



1915. The Bohemian waxwing (Bombycilla garruJa) at Ithaca, N. Y. Auk, 



32, p. 369. 



HOLLISTBR, N. 



1911. A systematic synopsis of the muskrats. U. S. Dept. Agric, Biol. Surv., 



N. Amer. Fauna, 32, 47 pp., 6 pis. 



1912. Mammals of the Alpine Club expedition to the Mount Eobson region. 



Canadian Alpine Journal, special number, pp. 1-44, pis. 1-12. 



