Glycosuria: in pain, 69-70; in emotion, 70-76; after football, 75, 221; after examinations, 76; dependence of, on adrenal glands, 77. Heart: innervation of, 26, 31; use of sugar by, 191; stimulated by adrenin, 191, 201. Hunger: compared with appetite, 233, 235; description of, 234-236; theories of, 237; as a general sensation, 237; disappearance of, as time passes, 238-239; when stomach full, 239; may be absent in bodily need, 242-243; temporarily abolished by indigestible materials, 243; quick onset and periodicity of, 244-245; reference of, to stomach region, 245-247; not due to emptiness of stomach, 248; not due to hydrochloric acid in empty stomach, 248; not due to turgid gastric glands, 249-250; as the result of contractions, 251-253; inhibited by swallowing, 254; method of recording gastric contractions in, 255-256; associated with gastric contractions, 256-259, and with esophageal contractions, 259-260; function of, 263-264, 272-275. Hydrochloric acid: not the cause of hunger sensation, 248. Intestine: contractions of, inhibited by excitement, 16; innervation of, 27, 31; use of, as test for adrenin in blood, 47-50; contracts when empty, 251-253; contractions of, may originate hunger sensations, 263. Instincts: relation of, to emotions, 187, 188. Irritability: increased in fatigued muscle by splanchnic stimulation, 101; neuro-muscular, lessened by fatigue, 114-117, 120; when lowered, restored slowly by rest, 119; when lowered, restored quickly by adrenin, 119-123, 195. “Jumpers”: exhibition of endurance by, 223. Mania: endurance in, 222. Martial virtues: claims for, by militarists, 287; importance of preserving, 290-291; preserved in competitive sports, 297-299. Metabolites: influence of, on muscular contraction, 104; action of, opposed by adrenin, 129; increase adrenal secretion, 206-208. Militarists: emphasis of, on strength of fighting instincts, 286-288; claims of, as to values of war, 287; support for claims of, 287.