Part 42

An excellent study of the recent quantitative investigations of marine life.

ADAMS, CHAS. C.

1909. The Ecological Succession of Birds. Ann. Rep. Mich. Geol. Surv. for 1908, pp. 121-154.

Ecological succession is discussed from the process standpoint. References to literature on birds.

FORBUSH, E. H.

1899. Nature’s Foresters. Forty-sixth Ann. Rep. Sec. Mass. State Board Agr. for 1898, pp. 279-294.

1901. Birds as Protectors of Woodlands. Forty-eighth Ann. Rep. Sec. Mass. State Board Agr. for 1900, pp. 300-321.

1904. The Destruction of Birds by the Elements in 1903-1904. Fifty-first Ann. Rep. Sec. Mass. State Board Agr. for 1903, pp. 457-503.

1905. Special Report on the Decrease of Certain Birds, and its Causes, with Suggestions for Bird Protection. Fifty-Second Ann. Rep. Sec. Mass. State Board Agr. for 1904, pp. 429-543.

PALMER, T. S.

1898. The Danger of Introducing Noxious Animals and Birds. Yearbook U. S. Dept. Agr. for 1898, pp. 87-110.

RYDER, J. A.

1892. A Geometrical Representation of the Relative Intensity of the Conflict between Organisms. Amer. Nat., Vol. XXVI, pp. 923-929.

MCATEE, W. L.

1912. The Experimental Method of Testing the Efficiency of Warning and Cryptic Coloration in Protecting Animals from their Enemies. Proc. Acad. Nat. Sci. Phila., 1912, pp. 281-364.

JUDD, S. D.

1899. The Efficiency of Some Protective Adaptations in Securing Insects from Birds. Amer. Nat., Vol. XXXIII, pp. 461-484.

1902. The Birds of a Maryland Farm. U. S. Dept. Agr., Div. Biol. Surv., Bull. No. 17. pp. 116.

A study in applied ecology. One of the best detailed studies of the birds of a small tract of land and their ecological relations.

STAHL, E.

1888. Pflanzen und Schnecken. Biologische Studie über die Schutzmittel der Pflanzen gegen Schneckenfrass. Jena. Zeitschr. für Naturwiss. herausgegeben von der med.-naturwiss. Gesell. zu Jena, Bd. XXII, pp. 557-684.

A study of the means by which plants are protected(?) from snails and slugs. Numerous feeding experiments.

DAHL, F.

1908. Die Lycosiden oder Wolfspinnen Deutschlands und ihre Stellung im Haushalte der Natur. Nova Acta der Ksl. Leop.-Carol.-Deutschen Akad. der Naturf., Bd. LXXXVII, pp. 175-678. Halle.

Not seen by writer. Mr. J. H. Emerton writes that this paper “gives tables of comparative collecting in all kinds of country.”

PIERCE, W. D., CUSHMAN, R. A., and HOOD, C. E.

1912. The Insect Enemies of the Cotton Boll Weevil. U. S. Dept. Agr., Bur. Ent., Bull. No. 100. pp. 99.

An excellent example of the character of the competition with which an animal meets when extending its range into new territory. See diagram, p. 44.