Johnson, C. E. The Origin of the Ultimobranchial Body and its Relation to the Fifth Pouch in Birds. (Ibid., pp. 583-592.)
Robinson, Herbert C. Two Abnormal Specimens of Ducks in the Collection of the Zoölogical Survey of India. (Records of the Indian Museum, XV, pp. 41-48, 1918.)—Eunetta falcata × Chaulelasmus streperus; and Anas boschas × Querquedula crecca.
Philpott, Alfred. Notes on Certain Introduced Birds in South-land (New Zealand). (The New Zealand Jour. of Sci., I, No. 6, 1918.)—Twelve species of English birds have been introduced, many of these have increased and spread widely while others have not.
White, S. A. Results of the South Australian Museum Expedition to Strzelecki and Cooper Creeks, September and October, 1916. (Trans. and Proc. Royal Soc. South Australia, XLI, pp. 441-466, 1917.)
Van Sommeren, V. G. L. Pitta angolensis longipennis (Reichenow). (Jour. East African-Uganda Nat. Hist. Soc. No. 18, pp. 279-280.)
Lletget, Augusto Gil. Two New Passeres from the Collection of the Pacific Expedition. (Bol. Real. Soc. Espan. Hist. Nat., XVIII, No. 7-8, pp. 340-341.)—Icterus xantholemus (p. 340), Ecuador, and Cercomacra tyranina atrogularis (p. 341); the Icterus is not compared with other forms. [In Spanish.]
San Martin, Julio. On the Turkey Vulture. (Mem. Soc. Cubana, Hist. Nat. Felipe Poey, II, pp. 29-38.) 1916. [In Spanish.]
Sanches, y Roig, Mario. The Naturalist William S. MacLeay. (Ibid., pp. 73-78.). [In Spanish.]
Ramsden, C. T. Life and Zoölogical Explorations of Dr. Juan Gundlach in Cuba. (Ibid., III, pp. 146-168.) [In Spanish.]
Ramsden, C. T. The Turkey Vulture (Cathartes aura). Results of Experiments Concerning the Transmission of Disease through their Digestive Organs (Ibid., pp. 174-178) [In Spanish.]