Part 33

BÖVING, A. G.

1910. Natural History of the Larvæ of Donaciinæ. Inter. Revue der gesamten Hydrobiol. u. Hydrog., Bd. III, Biol. Suppl., Heft I, pp. 1-108.

BUTTEL-REEPEN, H. VON. (Trans. by M. H. GEISLER.)

1907. Are Bees Reflex Machines? Experimental Contribution to the Natural History of the Honey-bee. pp. 48. Medina, Ohio.

CALKINS, M. W.

1905. The Limits of Genetic and of Comparative Psychology. Jour. of Psychol., Vol. I, pp. 261-285; Inter. Cong. of Arts and Sciences, St. Louis, Vol. V, pp. 712-734.

CARPENTER, F. W.

1908. Some Reactions of Drosophila, with Special Reference to Convulsive Reflexes. Jour. Comp. Neurol. and Psych., Vol. XVIII, pp. 483-491.

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.