Especially pp. 28-32 on the relation of ecology to economic entomology.

Herdmann, W. A.

1896. Oceanography, Bionomics, and Aquiculture. Smithsonian Report for 1895, pp. 433-454.

Emery, C.

1905. Éthologie, Phylogénie et Classification. C. R. 6me Cong. inter. de Zool. Berne, 1904, pp. 160-174.

Clements, F. E.

1905. The Foundations of Ecology, pp. 1-17.

Research Methods in Ecology, pp. 334. Lincoln, Nebraska.

Adams, Chas. C.

1906. Introductory Note. An Ecological Survey in Northern Michigan. Ann. Rep. Mich. Geol. Surv. for 1905, pp. 11-12.