Phylogeny of the Waxwings and Allied Birds

by M. Dale Arvey

1932. Notes from Dr. R. Ciferri on the birds of Hispaniola. Auk, 49(1):101-108, 1931.

1940a. A check-list of the fossil birds of North America. Smithson. Misc. Coll., 99(4):1-88 pp., 1940.

1940b. A systematic classification of the birds of the world. Smithson. Misc. Coll., 99(7):1-11 pp., 1940.

Wetmore, A.

, and

Swales, B. H.

1931. The birds of Haiti and the Dominican Republic. U. S. Nat. Mus. Bull. 155:iv + 482 pp., 26 plates, 1931.

Wheelock, I. G.

1905. Regurgitation feeding of nestlings. Auk, 22(1):54-71, 1905.

Whittle, H. G.