Phylogeny of the Waxwings and Allied Birds

by M. Dale Arvey

Armstrong, E. A.

1942. Bird display. Cambridge Univ. Press, xvi + 381 pp., 22 plates, 1942.

Baird, S. F.

1860. The birds of North America. J. B. Lippincott Co., lvi + 1003 pp., 1860.

Beddard, F. E.

1898. The structure and classification of birds. Longmans, Green & Co., xx + 548 pp., 252 figs., 1898.

Bergtold, W. H.

1917a. A study of the incubation period of birds. Kendrick-Bellamy Co., 109 pp., 1917.

1917b. Regurgitation in the Bohemian Waxwing. Auk, 34(3):341-342, 1917.

1924. A summer occurrence of the Bohemian Waxwing in Colorado. Auk, 41(4):614, 1924.