Guide to the study of animal ecology

by Charles C. Adams

1902—. Index-Catalogue of Medical and Veterinary Zoölogy. U. S. Dept. Agr., Bur. Animal Industry, Bull. No. 39, Parts 1-36 (1912).

1908, 1912. Index-Catalogue of Medical and Veterinary Zoölogy. Subjects: Trematoda and trematode diseases, Bull. No. 37, pp. 401, 1908.—Subjects: Cestoda and Cestodaria, Bull. No. 85. pp. 467, 1912. Hyg. Lab., U. S. Pub. Health and Mar.-Hosp. Serv., Washington.

These extensive bibliographies are very useful.

Surface, H. A.

1906. The Serpents of Pennsylvania. Penn. Dept. Agr., Monthly Bull., Vol. IV, pp. 113-208.

Observations on food of serpents.

1908. First Report on the Lizards of Pennsylvania. Penn. Dept. Agr., Zoöl. Bull., Vol. V, pp. 233-264.

Food of lizards.

1908. First Report on the Economy of Pennsylvania Turtles. Penn. Dept. Agr., Zoöl. Bull., Vol. VI, pp. 107-195.

Many observations on food.