320 



INDEX. 



124 ; and crime, 287 ; and scro- 

 fula, 204. 



Ill-development of the criminal, 

 285. 



Immature, marriage of th<, 243 ; 

 offspring of the, 245, 247. 



Imprisonment useless, against 

 drunkenness, 121 ; against in- 

 stinctive criminality, 295. 



Increase, of insanity, 83 ; of sui- 

 cide, 87 ; of crime among wo- 

 men, 290. 



In-and-in breeding, fixes charac- 

 ters, 58 ; generally dangerous, 

 268. 



Indirect heredity, 74. 



Inheritance of child, 1 1. 



Initial heredity, 75. 



Insane, population, 82 ; Marriage 

 of the, 8 1, 88 ; Parentage of the, 

 263. 



In-anity, 81 ; and genius, 74 ; 

 hereditary, 8 1 ; Increase of, 83 ; 

 proportion hereditary, 91 ; and 

 marriage, 96 ; Prevention of, 

 96 ; Diseases related to, 99 ; in 

 mother, 1 1 1 ; in father, 1 1 1 ; in 

 both parents, io8-HOj follow- 

 ing injuries, 106 ; combined 

 with epilepsy in parents, 1 08 ; 

 transmuted, 137, 288 ; and tu- 

 bercular disease, 205 ; and rheu- 

 matism, 231 ; and crime, 287 ; 

 in murderers, 293 ; and dia- 

 betes, 311. 



Instability of recently acquired 

 characters, 51. 



Instinctive crime, 280 ; a degene- 

 ration, 283 ; hereditary, 288 ; 

 Proposed treatment of, 296, 

 298 ; Typical cases of, 296. 



Intellectual, characters trans- 

 mitted, 16 ; quality modified by 

 the environment, 32. 



Intermarriage, of pathological 

 characters like and unlike 

 equally bad, 48 ; of cancerous 

 and neurotic, 49 ; of disease, 

 6l, 241, 272 ; of neurotic, 97, 



108, 231, 238 j of insanity and 

 epilepsy, 108 ; of insanity, 108, 



109, HO, 138; of drunkenness, 

 127 ; of deafmutism, 169, 172; 

 of cancer and consumption, 

 185 ; of the immature, 243 ; of 

 the aged, 258 ; of blood rela- 

 tions, 266 ; of criminals, 288 ; 

 of drunken and insane, 289 ; of 

 the degenerate, 313. 



Ireland, Cancer in, 180 ; Mixed 



peoples in, 278. 

 Ireland, Dr., on epilepsy in idiots, 



139. 



Irish Census Commissioners on 

 deafmutism, 164. 



JACOB on action of environment, 

 30. 



Jaws in savage and civilised man, 

 38. 



Jews, Acquired characters in the, 

 52; Consanguineous marriages 

 among the, 267 ; Social consan- 

 guinity rare among the, 273 ; 

 " Bleeders " among the, 305. 



Judicious marriages, 54. 



Jukes family, Prostitution in the, 

 290. 



Just treatment of drunkards, 



122. 



KIDNEY disease in gout, 217. 

 Koch, Prof., on tubercular disease, 



195- 



Kolk, Schroeder van der, insan- 

 ity and phthisis, 205. 



Korosi, M., 206 ; on parentage, 

 250, 256, 260. 



