Guide to the study of animal ecology

by Charles C. Adams

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.