Mathews, Gregory M. The Birds of Australia, VII, Pt. IV, December 19, 1918.
Miller, Carrie Ella. Birds of Lewiston-Auburn and Vicinity. pp. 1-80, Lewiston Journal Co., Lewiston, Maine. Price 50 cents paper, $1.00 cloth.
Oberholser, H. C. Mutanda Ornithologica, V. (Proc. Biol. Soc. Wash., 32, pp. 7-8, February 14, 1919.)
Riley, J. H. Two New Genera and Eight New Birds from Celebes. (Ibid., 31, pp. 155-160, December 30, 1918.)
Shufeldt, R. W. Notes on the Osteology of the Young of the Hoatzin (Opisthocomus cristatus) and Other Points on its Morphology. (Journ. Morphology, 31, No. 3, December, 1918.)
Stone, Witmer. Birds of the Panama Canal Zone, with Special Reference to a Collection made by Mr. Lindsey L. Jewel. (Proc. Acad. Nat. Sci. Phila., 1918, pp. 239-280, November 30, 1918.)
Wetmore, Alexander. (1) Birds Observed near Minco, Central Oklahoma. (Wilson Bull., March, 1918.) (2) Lead Poisoning in Waterfowl. (Jour. Wash. Acad. Sci., VIII, No. 11, June 4, 1918.)
Zimmer, John T. A Few Rare Birds from Luzon, Mindanao and Mindoro. (Philipp. Jour. of Sci., XIII, No. 5, Sect. D., Sept., 1918.)
American Museum Journal, XVIII, No. 8, December, 1918.