[34] Auk, Vol. 36, No. 1, Jan., 1919, pp. 101-102.
[35] Auk, Vol. 35, No. 4, Oct., 1918, p. 476.
[36] The Game Birds of California. Contributions from the University of California Museum of Vertebrate Zoölogy. By Joseph Grinnell, Harold Child Bryant and Tracy Irwin Storer. University of California Press, Berkeley, 1918. Large 8vo., pp. i-x + 1-642, 16 colored plates and 94 text figures. Price cloth $6.00 net.
[37] The Birds of Australia. By Gregory M. Mathews. Vol. VII, Part IV, December 19, 1918, pp. 321-384.
[38] Contribution a l’Etude des Cris et Chant des Oiseux dans ses Rapports avec la Musique. par M. F. de Fenis. Bull. Institut General Psychologique July-December, 1917, pp. 87-130. Paris, at the Office of the Society, 143 Boulevard St. Michel.
[39] Description of a New Race of the Western Gull. By Jonathan Dwight, M. D. Proc. Biol. Soc. Washington, Vol. 32, pp. 11-13. February 14, 1919.
[40] Food Habits of the Mallard Ducks of the United States. By W. L. McAtee, U. S. Dept. of Agriculture, Bulletin No. 720, pp. 1-35 and one plate. December 23, 1918.
[41] Journal Washington Acad. Sci., Vol. VIII, No. 11, pp. 375-376, June 4, 1918.
[42] Birds of the Panama Canal Zone, with Special Reference to a Collection Made by Mr. Lindsey L. Jewel. By Witmer Stone. Proc. Acad. Nat. Sciences Philadelphia, 1918, pp. 239-280, November 30, 1918.
[43] Notes on the Osteology of the Young of the Hoatzin (Opisthocomus cristatus) and other Points on its Morphology. By R. W. Shufeldt. Jour. of Morphology, Vol. 31, No. 3, December, 1918, pp. 599-606, plates 1-4.