Part 66

Ecological surveys, 23, 24, 67

Ecological training for surveys, 32

Ecology, 1, 2, 18, 19, 20, 60 and economic problems, 114 and geology, 22 art of, 33 associational, 24 fish of Walnut Lake, 147 history, 133, 138 point of view, 8 relation to economic entomology, 21 relation to geology and paleontology, 10 relation to man, 10, 11 relation to physiology, 8 relation to sociology, 10 relation to teaching, 13, 14 research methods, 88

Economic entomology, 29, 71, 74, 75 bibliography, 74, 75 bibliography of American, 71, 75 relation to ecology, 21

Economic problems and ecology, 114

Economic value, of birds, 126 of Pecten irradians, 108

Economic zoölogist, 29

Economic zoölogy, 29

Educational value of ecological ideas, 146

Effects, similar, of diverse stimuli, 98

Egg-laying crawfish, 108

Egg-laying sites, Orthoptera, 137

Eggs, collecting birds’, 58 of birds of North America, 109

Elbe River, fauna of lower, 138

Emergency surgery, 65

Emotion in pigeons, 110

Enchytræidæ, 58

Encroachments of civilization, 26

Enemies, protection of animals from, 125

English in science, better, 67

English sparrow, 28, 117 psychology, 117

Entomological Commission, of U. S., report on cotton and boll worm, 77 of U. S., report on Rocky Mountain locust, 76 of U. S., report on western cricket, 77

Entomological ecology of Indian corn plant, 132

Entomological work of Townend Glover, 73

Entomological writings of A. S. Packard, 74

Entomologists’ reports, Illinois, index, 74 Missouri, 77 New York, 74

Entomology, bibliography of American economic, 71, 75 catalogue of publications on, 71 economic, see Economic entomology

Entomophilous flora, ecological relations to anthophilous insect fauna, 142