2 8o 



HEREDITY AND EUGENICS 



Inheritance of absence of patella, 

 136 

 of acquired characters, 5 

 of artistic ability, 1 70 

 of athletic power, 145 

 of auricular height, 145 

 of bilateral asymmetry, 191 

 of bilobed ear, 135 

 of bimanual synergia, 136 

 of branchial fistula, 1 30 

 of bronchial asthma, 1 38 

 of calcar loop, 1 76 

 of cancer, 140 

 of cephalic index, 145 

 of character, 147 

 of cheek, one large, i ^(^ 

 of cleft palate, 130 

 of clonic spasms in guinea- 

 pigs, 167 

 of coloboma, 116, 120, 130 

 of colour-blindness, 19, 22, 24, 



110,112,113 

 of constricted eyelids, 109 

 of criminality, 163 

 of curliness of hair, 145 

 of differences in endocrine 



glands, 142 

 of disposition, 147 

 of dwarfing, 34 

 of edentulism, 1 30 

 of effect of cytoly sin, 144 

 of eye colour, 145 

 of fingerprints, 175, 176, 180, 



182, 183, 184 

 of gait, 3, 190 



of gluteal prominences, 1 30 

 of hair colour, 145 

 of handwriting, 108, 145 

 of hare-lip, 130 

 of hay fever, 138 

 of hermaphroditism, 130, 131, 



132, 133 

 of hypertrichosis, 1 30 

 of hypospadias, 1 30 

 of insanity, 155, 156 

 of iso-agglutinin reactions, 



129 

 of Jewish physiognomy, 142 

 of luxation of femur, 1 30 

 of mathematical ability, 147, 



149 

 of mental differences, 145,146, 



147.236 

 of musical ability, 147, 149 

 of mutilations, 26 

 of neurofibromatosis, 141 

 of notch in ear of cattle, 135 

 of openings in parietal bones, 



U3 



Inheritance of peculiarities of the 

 blood system, 137 

 of personality, 220 

 of pitted ear-lobe, 135 

 of polydactylism, 76, 92, 93, 

 94, 96, 97, loi, .102, 103, 

 126, 130, 180 

 of polymastia, 129 

 of rudimentary ear-lobes, 133, 



134 

 of savageness in rats, 167 

 of scute peculiarities in the 



armadillo, 181 

 of size, 26-35 

 of stammering, 141 

 of strabismus, 115, 120, 130 

 of temperament, 147, 236 

 of tendency to blush, 3 

 of timidity in rats, 167 

 of tuberculosis, 139 

 of tumours, 140 

 of twinning, 178, 194 

 of warts on the hands, 123 

 of wildness in rats, 165, 166, 



167 

 particulate, 27 

 sex-linked, 19, 23, 25, 47, 61, 



no, 112, 114, 115, 116, 117, 



118, 120, 122, 123, 124, 



154, 163 



through the Y- chromosome, 

 94, loi, 1 19, 210 

 Innocuous characters, 207 

 Insanity, 154, 155, 157, 166, 18S 

 Instincts in man, 165 

 Intelhgence, 157, 171, 190, 224, 



233. 234, 243, 246, 248, 249 

 Intermarriage of strains, 222 

 Intersexes, 131,. 132, 193, 201 

 Interstitial tissue of the gonads, 



211, 212 

 Intoxication in animals, 92, 167 

 Introduced animals on Sable 



Island, ^y 

 Iodine, in thyroxin, 214 



in water, 215 

 Iowa, 99 

 Ireland, 49 



deaf-mutism in, 106, 107 



over-population in, 243 

 Irish in crosses, 230 

 Iso-agglutinin reactions, 129 

 Isolation and origin of differences, 



224, 226, 227, 238 

 Italians, in crosses, 230, 233 



immigrants, 232 



stature of, 30 

 Italy, pellagra in, 122 



white cattle in, 71 



