A STUDY OF THE CRYPTOZOA OF AN ILLINOIS WOODLAND

[71] Principles and problems of ecology as illustrated by animals [J]. JOURNAL OF ECOLOGY, 1915, 3 : 1 - 23

[72] The reactions of certain animals to gradients of evaporating power of air a study in experimental ecology [J]. BIOLOGICAL BULLETIN, 1913, 25 (02) : 79 - 120

[73] SNEDECOR GW, 1938, STATISTICAL METHODS

[74] STRASBURG J. L., 1920, ORTHOPTERA NE AM

[75] STUDENT, 1907, BIOMETRIKA, V5, P351

[76] Distribution of ant species in the Chicago region with reference to ecological factors and physiological toleration [J]. ECOLOGY, 1934, 15 : 416 - 439

[77] THEOBALD FV, 1905, J BOARD AG GT BRIT, V11, P594

[78] The soil population. An investigation of the biology of the soil in certain districts of Aberystwyth [J]. ANNALS OF APPLIED BIOLOGY, 1924, 11 (3-4) : 349 - 394

[79] VOLZ P, 1934, ZOOL JB SYST, V66, P153

[80] Waksman SA, 1932, PRINCIPLES SOIL MICR, V2nd

[71] Principles and problems of ecology as illustrated by animals [J]. JOURNAL OF ECOLOGY, 1915, 3 : 1 - 23

[72] The reactions of certain animals to gradients of evaporating power of air a study in experimental ecology [J]. BIOLOGICAL BULLETIN, 1913, 25 (02) : 79 - 120

[73] SNEDECOR GW, 1938, STATISTICAL METHODS

[74] STRASBURG J. L., 1920, ORTHOPTERA NE AM

[75] STUDENT, 1907, BIOMETRIKA, V5, P351

[76] Distribution of ant species in the Chicago region with reference to ecological factors and physiological toleration [J]. ECOLOGY, 1934, 15 : 416 - 439

[77] THEOBALD FV, 1905, J BOARD AG GT BRIT, V11, P594

[78] The soil population. An investigation of the biology of the soil in certain districts of Aberystwyth [J]. ANNALS OF APPLIED BIOLOGY, 1924, 11 (3-4) : 349 - 394

[79] VOLZ P, 1934, ZOOL JB SYST, V66, P153

[80] Waksman SA, 1932, PRINCIPLES SOIL MICR, V2nd