Part 74

Life, maintenance, 97 nature, 97 origin, 97

Light, and behavior of organisms, 115 locomotor responses of animals to white, 107 reactions of Amphibians, 116 reactions of dragon-fly nymphs to, 118 reactions of Isopods to, 108 reactions of Planarians to, 105 white, locomotor responses of animals to, 107

Limiting factors, 98

Limpet, environmental studies, 101

Limulus, behavior of early stages, 105

Lists, local, 48

Literature, limitations and value, 82, 83, 84

Living matter, dynamics, 96

Lizards, behavior, 116 food, 129 Pennsylvania, 129

Lobster, behavior, 105, 113 natural history of the American, 113

Local lists, 48

Locomotion of starfish, direction, 110

Locomotor responses to white light, 107

Locust, Rocky Mountain, 77

Logs, fauna under, 144

Louisiana, marine food mollusks, 114

Lower organisms, age, 97 behavior, 96, 105, 107 conjugation, 97 death, 97

Lycosidæ, ecology, 125 habitats, 125

Lymnæa Columella Say, effects of environment on growth, 100

Lymnæas, ecology, 108

Lymnæidæ, ecology, 108

Lymnæus Eleodes Say, behavior, 120

Maize, see Indian Corn

Maladjustments of plants and ants, 126

Mammal associations, 145

Mammal successions, 145

Mammals, bibliography of North American, 107 collecting, 58 habits, 118 habits of North American, 107 Isle Royale, ecological succession, 145 life histories, 118 methods of study, 39

Man, influence upon insects, 135