Part 72

Insect fauna of the giant cactus of Arizona, 135

Insect galls, Europe, 143 Indiana, 143 New York, 143

Insect guests of Florida land tortoise,135

Insect Life, 111 index, 72

Insect oscillations regulated by birds, 123

Insectivorous Coleoptera, 127

Insects, affecting park trees, 74 affecting the orange, 75 affecting woodland trees, 74 and animal forms of Caledonia Creek, N. Y., 147, 148 aquatic, 74 aquatic in Adirondacks, 75 bibliography, 74, 75 bionomics of, 128 cactus, 135 carrion-feeding, 146 collecting, 58 environmental influences upon, 96, 97 eyes, 110 flowers and, 142, 143 food, 128 habitats, 128, 135 hibernation, 128 Illinois, 74 in grave, 144 influence in economy of nature, 135 influenced by animal substances, 135 influenced by climate, 135 influenced by environment, 135 influenced by man, 135 influenced by plants, 135 influenced by soil, 135 initiating successions, 127 instinct, 128 life histories, 70, 73 life histories in Lintner’s New York State entomologist’s reports, 74 mimicry of South African, 128 Missouri, 77 motions, 128 Neuropteroid, synopsis, catalogue, and bibliography, 71 New Mexico, 148 New York, 74 noises, 128 parasitic and other kinds of castration in, 130 parasitism, 129, 130 preserving, 58 protective adaptations against birds by, 125 seasonal succession, 141 senses, 111 social community, 135 social life, 111 societies, 128 stratagems, 128 study, 59 systematic literature, 71 warning colors of South African, 128

Instinct, and intelligence, 120 birds, 113 blindness of, 103 death-feigning, 113 insects, 128 Leptinotarsa, 119 raccoons, 110 spiders, 117

Instruments, 57, 59

Integrative action of nervous system, 98

Intelligence, and imitation in birds, 117 and instinct, 120 animal, of the raccoon, 111 birds, 113 evolution of animal, 114 nature and development of animal, 115 raccoons, 110, 111

Interactions of organisms, 49, 123

Internal relations, 1

Interpretation, dynamical, 82

Interrelations, 5 between forests and insects, 127 of the social community, 131 parasitic, of the bee community, 139

Introducing noxious animals, 124

Invertebrate animals of Vineyard Sound, 136

Invertebrate fauna of Isle Royale, ecological relations, 146

Invertebrates, census, 62 life histories, 70, 136 marine, 136, 146

Investigation, methods of scientific, 56

Iris versicolor L., fruiting, 142

Isle Royale, as biotic environment, 91 birds, ecological succession, 124, 133 birds’ habitats, 148 ecology of Coleoptera, 145 ecological relations of invertebrate fauna, 146 mammals of, ecological succession, 145

Isophyllia, feeding reactions, 109

Isopods, of ponds and streams, responses, 106 physiological states and rheotaxis, 106 reactions of surface and subterranean, 108 reactions to light, 108

Jutland, sandy flats of, animals, 136, 137

Kiel Bay, fauna, 138 food of animals in, 129

Krakatau, new flora, 89

Lack of oxygen, resistance affected by carbohydrates, 99