Part 43

WHEELER, W. M.

1906. An Ethological Study of Certain Maladjustments in the Relations of Ants to Plants. Bull. Amer. Mus. Nat. Hist., Vol. XXII, pp. 403-418.

Competition between plants and ants.

MASSART, J., and VANDERVELDE, E. (Trans. W. MACDONALD.)

1907. Parasitism Organic and Social. Second Edition. Revised by J. Arthur Thompson, pp. 124. London.

Contains many examples of responses to a parasitic environment.

Selected References on the Struggle for Existence

(Alphabetically arranged)

BEAL, F. E. L.

1911. Food of the Woodpeckers of the United States. U. S. Dept. Agr., Bur. Biol. Surv., Bull. 37. pp. 64.

CHAPMAN, F. M.

1902. The Economic Value of Birds to the State. Seventh Rep. N. Y. Forest, Fish, and Game Comm., 1901, pp. 115-176. Reprint, pp. 66, 1903. Albany.

Contains an extensive list of papers on the food of birds.

EICHELBAUM, E.

1910. Über Nahrung und Ernährungsorgane von Echinodermen. Wiss. Meeruntersuch. heraus. von der Komm. zur wiss. Unter. der deutsch. Meere in Kiel. N. F. Bd. XI, Abth. Kiel, pp. 187-275.

FORBES, S. A.

1883. The Food Relations of Predaceous Beetles. Twelfth Rep. State Ent. Ill., pp. 105-120.

1903. The Food of Birds. Bull. Ill. State Lab. Nat. Hist., Second Edition, Vol. I, pp. 86-161.

1903. Notes on Insectivorous Coleoptera. Bull. Ill. State Lab. Nat. Hist., Second Edition, Vol. I, pp. 167-176.

1883. The Food Relations of the Carabidæ and Coccinellidæ. Bull. Ill. State Lab. Nat. Hist., Vol. I, No. 6, pp. 33-64.

FORBUSH, E. H.

1907. Useful Birds and their Protection. Mass. State Board Agr. pp. 437. Boston.

FOREL, A.

1896. Ants’ Nests. Smithsonian Report for 1894, pp. 479-505.

Ants’ nests, and symbiosis between plants and ants.

GAMBLE, F. W., and KEEBLE, F.

1903. The Bionomics of Convoluta roscoffensis with Special Reference to its Green Cells. Quart. Jour. Micros. Sci., Vol. XLVII, pp. 363-431.

A study of the ecology of a Turbellarian worm, its food, habitat, and behavior.