INDEX. 



317 



287 ; Instinctive, 280 ; in de- 

 caying families, 289. 



Criminal, The, instinct trans- 

 mitted, 16, 288, 290 ; scrofulous, 

 206; Parentage of, 262, 291, 

 300 ; type, 283 ; ugly, 287 ; 

 instinctive, a moral imbecile, 

 285 ; ill-developed, 285 ; Cha- 

 racters of, 287 ; Records of, 

 296; instinctive, causes of, 291 ; 

 Proposed treatment of, 296, 

 298, 300. 



Criminal Law Amendment Act, 



253- 

 Criminality, varies in the sexes, 



290 ; in children, 298. 

 Criminologists, English, 284. 

 "Crossing," its effect, 47, 54, 57, 



277, 278. 



Cullen,Dr.,onheredityin'gout,2l9. 

 Cultivation, of hereditary disease, 



I ; of the unfit, 21, 142. 



DALTONISM, 307. 



Danger of intermarriage, of the 

 neurotic, 98 ; of the syphilitic, 

 146. 



Darwin, George, on consanguine- 

 ous marriages, 269 ; Prof. 

 Charles, his theory of Pange- 

 nesis, 12; on transmission of 

 acquired characters, 42. 



Deafmutism, 161 ; hereditary, 

 162 ; Intermarriage of, 161, 

 172; Ribot on, 163; a dege- 

 neration, 162 ; percentage here- 

 ditary, 164 ; allied to other 

 degenerations, 163, 169; Irish 

 Census Commissioners on, 164 ; 

 Scotch Lunacy Commissioners 

 on, 1 66 ; Prof. Bell on, 169 ; 

 Causes of, 171. 



Deception practised by those of 

 insane family, 88, 90, 112. 



Deformities, in children of syphi- 

 litic, 150 ; in deaf-mutes, 169. 



Degeneration, from city life, 30, 

 40 ; among Londoners, 31, 41 ; 

 from city life transmitted, 40; 

 from drunkenness, 1 24 ; in off- 

 spring of aged and immature, 



257, 264 ; in criminals, 283, 

 285 ; in parents of criminals, 

 292; in asthmatic stock, 302, 



304- 



Degenerations all closely allied 

 and transmutable, 48. 



Dementia from epilepsy, 131. 



Demoniacal possession, 130. 



De Quatrefages quoted, 33. 



Diabetes, 310; often hereditary, 

 3 IO ; allied to the neurotic, 311. 



Diagonal heredity, 69, 71. 



Dickinson, Dr., on heredity in 

 Bright's disease, 312. 



Dipsomania, 116, 125. 



Direct heredity, 67, 71. 



Disappearance of wisdom teeth in 

 civilised man, 38. 



Disease, hereditary, I ; trans- 

 mitted, 3 ; cannot be repeated 

 indefinitely, 20 ; an acquired 

 character, 36, 53 ; transmutable, 



99- 



Diseases allied to insanity, 99. 



Dogs, All, from one stock, 42. 



Dontrebente quoted, 109. 



Down, Dr. Langdon, 206. 



Drunken parentage, its effect, 291. 



Drunkenness, 116; a cause of 

 idiocy, 76, 123; degrading, 119; 

 in woman, 119; Penalties use- 

 less against, 121 ; a cause of 

 deformity, 123 ; in Sweden and 

 Norway, 124; is a degenera- 

 tion, 124; Family history of, 

 125 ; Two forms of, 125 ; trans- 

 mutable, 126; in mother most 



