Part 87

Succession, beetles, 145 ecological, 101 ecological, birds, 21, 124, 133 ecological, in the grave, 144 ecological, on oyster reef, 112 in stages of decay, 144, 146 mammal, 145 mollusks, 137 seasonal, 140

Successions, initiated by insects, 127

Suggestions to authors, 68

Summer-bird life near Havana, Illinois, 146

Surgery, emergency, 65

Surveying, 65

Surveys, ecological, 23, 67 ecological training for, 32 natural history, 23, 30 non-ecological, 31

Sycotypus eating oysters, mussels, and clams, 110

Symbiosis, 127, 128, 130

Talorchestia longicornis, habits and life history, 119

Tanganyika problem, 89

Taste, fish’s organ of, 112

Taxonomy, 54 relation to ecology, 8

Teaching, relation to ecology, 13

Technique, 15, 57 of fresh-water biology, 62 scientific, 55

Temperature, effect of extremes, 99 in open and wooded areas, 91 influence on digestion of cold-blooded vertebrates, 100 lowering of, and loss of water, 99 physiological effects of high temperature, 99

Termites, Arthropods living with, 130

Terns, noddy and sooty, behavior, 120

Terrapin, diamond-back, cultivation, 110 natural history, 110

Texas, habits of solitary wasps, 113 wasps, solitary, habits, 113

Theory, use, 40

Thermocline, biological significance, 87

Tiger beetles, larval habits, 118 life histories, 118 relation of distribution to plant succession, 90

Tipulidæ, 76

Toad, American, 100

Tomahawk Lake, Wis., Mollusca of, 137

Tortoise, Florida land, 135 habits, 116 perception of space, 121

Tracks and tracking, 58