CONTINUOUS PROCESS OF ADJUSTMENT 125 



sity of the Conflict between Organisms. Amer. 

 Nat., Vol. XXVI, pp. 923-929. 



McATEE, W. L. 



1912. The Experimental Method of Testing the EflSciency 

 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 Efliciency 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 liber die 

 Schutzmittel der Pflanzen gegen Schneckenfrass. 

 Jena. Zeitschr. fiir 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 experi- 

 ments. 

 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. 



