1910. Feeding Reactions of the Rose Coral (Isophyllia). Proc. Amer. Acad. Arts and Sciences, Vol. XLVI, pp. 149-162. CASTEEL, D. B. 1911. The Discriminative Ability of the Painted Turtle. Jour. Animal Behavior, Vol. I, pp. 1-28. CLARKE, W. E. 1912. Studies in Bird Migration. Vol. I, pp. 323; Vol. II, pp. 346. London. Bird migration may be studied as a response of the animals to the conditions of their life, and the above work is a good example of the best kind of work being done along this line. COLE, L. J. 1907. An Experimental Study of the Image-Forming Powers of Various Types of Eyes. Proc. Amer. Acad. Arts and Sci., Vol XLII, pp. 335-417. A study of worms, insects, sow bug, snail, slug, and frogs. 1913. Direction of Locomotion of the Starfish (Asterias Forbesi). Jour. Exp. Zoöl., Vol. XIV, pp. 1-32. COLE, L. W. 1907. Concerning the Intelligence of Raccoons. Jour. Comp. Neurol. and Psychol., Vol. XVII, pp. 211-261. 1912. Observations on the Senses and Instincts of the Raccoon. Jour. Animal Behavior, Vol. II, pp. 299-309. COLE, L. W., and LONG, F. M. 1909. Visual Discrimination in Raccoons. Jour. Comp. Neurol. and Psychol., Vol. XIX, pp. 657-683. COLTON, H. S. 1908. How Fulgur and Sycotypus Eat Oysters, Mussels and Clams. Proc. Acad. Nat. Sci. Phila., 1908, pp. 3-10. COKER, R. E. 1906. The Natural History and Cultivation of the Diamond-Back Terrapin with Notes on other Forms of Turtles. Bull. No. 14, N. Carolina Geol. Survey, pp. 1-67. CRAIG, W. 1909. The Expressions of Emotion in the Pigeons. I. The Blond Ring-Dove (_Turtor risorius_). Jour. Comp. Neurol. and Psychol., Vol. XIX, pp. 30-80. DAWSON, J. 1911. The Biology of Physa. Behavior Monographs, Vol. I, No. 4, pp. 1-120. Behavior is related to the natural environment. DAVIS, H. B. 1907. The Raccoon: A Study in Animal Intelligence. Amer. Jour. Psychol., Vol. XVIII, pp. 447-489. DEAN, B. 1892. The Physical and Biological Characteristics of the Natural Oyster Grounds of South Carolina. Bull. U. S. Fish Comm. for 1890, Vol. X, pp. 335-361. Contains good illustrations of the oyster habitat. DIMON, A. C. 1905. The Mud Snail: Nassa obsoleta. Cold Spring Harbor, Monogr. V. pp. 48. A behavior study of a marine snail. EMBODY, G. C. 1912. A Preliminary Study of the Distribution, Food, and Reproductive Capacity of Some Fresh-water Amphipods. Inter. Revue. der gesamten Hydrobiol. u. Hydrog., Biol. Suppl. III. Serie, Heft 2, pp. 1-33. ENTEMAN, M. M. 1902. Some Observations on the Behavior of Social Wasps. Pop. Sci. Mo., Vol. XLI, pp. 339-351. FABRE, J. H. (Translated.) 1901. Insect Life. Souvenirs of a Naturalist. pp. 320. London. FABRE, J. H. (Trans. by MIALL, B.) 1912. Social Life in the Insect World. pp. 327. London. FLORENTIN, R. 1899. Études sur la Faune des Mares Salées de Lorraine. Ann. des Sci. Nat. Zoöl. (8ᵉ S.), Tome X, pp. 209-350. FOREL, A. (Trans. by WHEELER, W. M.)