INDEX. 



421 



Intra-uterine influences, 281. 

 Irish marriages, statistics of, 306. 



Jaques, Colonel, in-breeding of geese by, 

 166. 



Jarvis, Dr., on consanguineous mar- 

 riages, 185. 



Jerseys, form of recorded pedigrees, 415. 



Jews, constancy of race, 13 ; intermar- 

 riages among the, 180. 



Kangaroo, correlated organs of, 86. 



Kelleia, Gratio, heredity of extra digits, 

 49. 



Kerry cattle, effect of changed condi- 

 tions on, 100. 



Lambs, early market, 213. 



Landau, siege of, 282. 



Latent characters, 77; latent predisposi- 

 tion to disease, 82. 



Le Compte family, blindness in, 30. 



Leicester sheep, in-breeding of, 153. 



Life, duration of, hereditary, 16. 



Light, influence of, on development, 105. 



Like begets like, extent of the law, 2. 



Lille, deformed beggars born in, 106. 



Limbs, embryonic development of, 293. 



Live-stock as machines, 4; relations of, 

 to tillage, 9. 



Longevity hereditary, 16. 



Long-horn cattle, pedigrees of, 148 ; Mar- 

 shall's description of, 159. 



Madness, heredity of, in male line, 229. 



Maize, climatic variations in, 98. 



Malay fowls, atavism in, 67; in-bred, 166. 



Male, characters of, transmitted by fe- 

 male, 232; influence of, on offspring, 

 215, 218. 



Malformations, heredity of, 56, 57; not 

 produced by maternal imagination, 288. 



Males, at birth more numerous than fe- 

 males, 815 ; greater death-rate of young, 

 315; importance of high-breeding in, 

 217, 397 ; importance of prepotency in, 

 157. 



Manatee, fear of man in, 46. 



Mare, period of gestation in, 402. 



Maturity, early, and correlated modifica- 

 tions of the system, 103 ; of germ, in- 

 fluence of, on sex, 298. 



Male, supposed transmission of external 

 characters by, 284. 



Males produced from unimpregnated 

 eggs of bee, 332. 



Medicines as exciting causes of disease, 

 26. 



Mental disease, 27; habits, heredity of, 

 18. 



Merino sheep, atavic transmission of 

 spots, 70; fecundity of, in England, 

 109 ; influence of changed conditions 

 on, 96 ; in-breeding of, 150, 175. 



Meynel's, Mr., fox-hounds in-bred, 188. 



Migration of birds, a habit, 48 ; relation 

 of, to reproductive functions, 114. 



Milcote sale of Short-Horns, 171. 



Milk and beef, 90, 891. 



Milking qualities hereditary, 58. 



Milk-secretion dependent on habit, 102 ; 

 relation of, to fecundity, 122, 175. 



Monstrosities, general law influencing, 

 289. 



Mountain-breeds, small, 95. 



Mule, parental characters of, 242-247 

 organ of voice in, 243, 247. 



Muscular strength, heredity of, 14; de- 

 velopment from exercise, 101. 



Musical talent, heredity of, 15. 



Nature and culture, 48. 



Neck, form of, 373. 



New characters in a family tend to vary 

 the type, 104. 



Newman's, Dr., report on " Marriages of 

 Consanguinity," 184. 



New York Mills Short-Horns, pedigrees 

 of, 145. 



Niata cattle, 56. 



Night-blindness inherited, 20. 



Non-inheritance, how determined, 59. 



Norwegian ponies, habit in, 48. 



Nutrition, impaired, a cause of malforma- 

 tions, 292. 



Nutritive functions and impaired fecun- 

 dity, 111. 



Obesity, heredity of, 238. 

 Object of the art of breeding, 7. 

 Offspring, size of, at birth, 212. 

 Ophthalmia, hereditary case of, 29. 

 Orton's theory of heredity, 237, 242. 

 Otter breed of sheep, 55. 



