296 



INDEX 



Hyperthyroidism, 52, 58 

 Hysteria, 186 



Imagination, an endocrine gift, 183 

 Improvement of racial stock, 282 

 Industry, and fatigue, 265 



relation of endocrines to, 266 

 Infancy, epoch of the thymus, 257 

 Infantilism, 83 



Infantiloid constitution or personal- 

 ity, 225 

 Inferiority, breeding of, 3 

 Inheritance of acquired characters, 



278 

 Insanity, and the endocrine glands, 



199 

 Instinct, 171 



acta, pituitary, 178 

 thyroid, 179 

 Insuline, 93, 95 

 Intellectuality, and the pituitary, 



178, 198 

 Internal secretions, determinants of 

 vegetative pressures, 107 

 effect of, upon human evolution, 



275 

 hygiene of, 270, 272 

 in history, 231 

 Interstitial glands, see Gonads 



type of teeth, 123 

 Iodine, in thyroxin, 48, 51 

 relation of to goitre, 51 



Janet, 187 

 Judgment, 181 



Julius Csesar, an epileptic, 245 

 pituitary in, 245 



Keith, 287 

 lull, 48 



tic (ham, 102, 103 

 dn 101 



system, 99 

 Kocher, 39 



Laennec, 31 

 Lanugo, 127 



I 



lo and gonads, 84 



I 



Lime salts, and sex. l U 



MalLhunaxt law of slavery, 4 



Mammary glands, 160 

 corpus luteum and, 160 

 N nta and, 161 

 Man, a transient, 12 

 attitude of towards himself, 289 

 a product of glands of internal 



secretion, 26 

 critical age in, 163 

 secondary sex characteristics of, 

 137 

 Manic depressive psychoses, 179 

 Mankind, races of, 287 

 Marie, Pierre, 41 

 Masculine, the secret of the, 141 

 Masculine and feminine, mechanics 



of, 132, and see Sex 

 Masculine pituitary type, 210, 212 

 Masculinoid women, 154, 205 

 Masochism, 147 

 Maternal instinct, 155 

 different from sex instinct, 156 

 relation of the pituitary to, 178 

 Matings, desirable and undesirable, 



283 

 Megalomania, 179 

 Memory, 181 

 Mendelism, 280, 282 

 Menopause, 138, 161 

 Menstruation, 137 

 and ovaries, 138 

 cycle of, 151 

 Mental deficiency, 199 

 Migraine in genius, 235 

 M md, influence of glands on, 166 



oldest part of, 101 

 Mitchell, Weir, 187 

 Mixed BOX and the family, 144 

 Mixed types, 114 

 Mobius, 39 



ctions to in id 

 types, 207 



. and the organic outlook, 

 185 

 Moral irresponsibility and tfa 



Mujt-rados, 226 

 Miill.r, .li.hann, 31 



Mum 



Mutations, control of, 284 



