BASS, 159 Beebe, 213 Benedict, 212 Biologic consideration of adaptive variation in amounts of energy stored in various animals, 176 Brain, adrenals and, relation of, 198 diseases of, effect of, on output of energy, 216 effect of trauma under anesthesia oil, 3 functions, physical state of brain-cells and, relation between, 111 influence of fear on, 64 Brain-cells, cause of exhaustion of as result of trauma under inhalation anesthesia, 8 changes in, from alcohol, 116 from drugs, 113 from fatigue, 112 from fear, 112 from hemorrhage, 113 from injection of adrenalin, 186 from iodoform, 116 from strychnin, 113 in Graves' disease, 116 in infections, 116 in insanity, 120 in insomnia, 119 histologic changes in, in relation to maintenance of consciousness and to production of emotions, muscular activity, and fever, 182 physical state, brain functions and, relation between, 111 CANNON, 57, 64, 68, 73, 133, 138, 196, 202 Cannon's test for adrenalin, 134, 196 Cells, brain-, cause of exhaustion of, as result of trauma under inhalation anesthesia, 8 changes in, from alcohol, 116 from drugs, 113 from fatigue, 112 from fear, 112 from hemorrhage, 113 from injection of adrenalin, 186 from iodoform, 116 from strychnin, 113 in Graves' disease, 116 in infections, 116 in insanity, 120 in insomnia, 119 histologic changes in, in relation to maintenance of consciousness and to production of emotions, muscular activity, and fever, 182 physical state, brain functions and, relation between, Ill Chemical noci-association in infections, 48 Cold pain, 83 sweat, 27 Contact pain, special, 78 Crying, 90 in exophthalmic goiter, 106 DARWIN, 12, 26, 30, 91, 127, 153 on phenomena of fear, 26 Disease, mechanistic theory of, 157 Distance receptors, discharge of energy through stimulation of, 25 Dog, spinal, 4 Dolley, 2, 10 Drugs, changes in brain-cells from, 113 ELIOT, 1 Elliott, 202 Energy, adaptive, 176 Energy, discharge, rate of, adaptive variation in, 177 nervous, cause of discharge of, 12 as result of trauma under inhalation anesthesia, 12 discharge of, role of summation in, 30 through representation of injury, 25 through stimulation of distance receptors, 25 psychic discharge, 25 output of, effect of diseases of adrenals on, 216 of brain on, 216 of liver on, 216 of muscles on, 216 of thyroid on, 217 rate of out put, influences that cause variation in, 177 Environment, 128, 130 Evacuation pain, 77 Exophthalmic goiter, 66 crying in, 106 fear and, resemblance between, 68 laughing in, 106 FATIGUE, changes in brain-cells from, 112 Fear, 26, 52, 55 changes in brain-cells from, 112 Darwin on phenomena of, 26 Graves' disease and, resemblance between, 68 influence of, on brain, 61 phenomena of, 56 Fly-trap, Venus', 151 Frankel, 68 Frazier, 82 Functional study of adrenals, 196