422 



INDEX. 



Oxfordshire breed of sheep cross-bred, 

 192. 



Pampering, a cause of impaired fecundi- 

 ily, 170. 



Parental characters, all ancestors includ- 

 ed in, 75. 



Parents, relative influence of, 215. 



Peccary, instinct of dogs in hunting the, 

 41. 



Pedigree, 837; importance of, 82; of 

 Bates's Short-Horns, 144 ; of Booth's 

 Short-Horns, 147 ; of Colling's Short- 

 Horns, 172 ; of Devon bull, Quartly's 

 Prince of Wales, 149, 414; of Duke of 

 Airdrie, 142, 411 ; of Goldsmith Maid, 

 151; of Hereford bull Cotmore, 164; 

 of Long-Horn bull Shakespeare, 148 ; of 

 merino ram Gold Drop, 152; of New 

 York Mills Short-Horns, 145 ; of Short- 

 Horn bull Grazier, 173 ; value of, 839- 

 844. 



Pedigrees, how recorded, 850, 411. 



Period of gestation, 400. 



Physiological units, characters inherited 

 as, 76. 



Physiology, applications of, 8. 



Pigeons, in-breeding of, 167. 



Pigs pointing game, 48. 



Pitcairn Island Settlement, intermar- 

 riages in, 187. 



Plague, influence of, on fecundity, 126. 



Plasticity of organization of animals, 92. 



Plethora unfavorable to fecundity, 115. 



Plural births, cases of; 127, 180, 183. 



Points of animals, 869, 370. 



Polled cattle, origin of, 54. 



Polydactylism, 49, 50. 



Practice of the best breeders, 143. 



Precocious marriages, 36. 



Predisposition to disease, heredity of, 28, 

 82. 



Prepotency, developed by in-breeding, 

 156, 158; how modified, 204, 221 ; im- 

 paired by cross-breeding, 200; influence 

 of, in cross-breeding, 197-202 ; not ac- 

 cidental, 158; of different breeds, 202. 



Principles of breeding, 1. 



Profit the measure of success in breed- 

 ing,^ 



Proportion of limbs predisposing to dis- 

 ease, 84. 



Pumpkin-buttock cattle, 875. 

 Pure-bred defined, 349. 



Qualifications of a breeder, 3. 



Quality, 379. 



Quality of food, influence of, on reproduc- 

 tive functions, 118. 



Quartly's Prince of Wales, pedigree of, 

 149. 



Queen-bee, development of, 883. 



Rabbits, breed of, with one ear, 57. 



Eelative influence of parents, 215. 



Reproductive organs, activity of, de- 

 pendent on nutrition, 111 ; correlated 

 modifications of, 122 ; dormant during 

 period of growth, 112. 



Resemblance of offspring to parents, 11, 

 75. 



Reversion, 66; favored by cross-breed- 

 ing, 204. 



Rheumatic gout, sexual limitation in he- 

 redity of, 227. 



Riches, influence of, on fecundity, 123. 



Rich family of merinos, in -breeding of, 

 158. 



Ring-bone, heredity of, 28. 



Roaring in horses inherited, 29. 



Root-pruning of trees for unfruitfulncss, 

 112. 



Rumpless fowls, atavism in, 67 ; fecundi- 

 ty of, 89. 



Saigak antelopes, 46. 



Sanitary conditions, influence of, 105. 



Scarce egger-moth, 79. 



Science, relations of, to the art of breed- 

 ing, 8. 



Scrofula, causes of, 25; heredity of, 24, 

 25; indications of, 24; various forms 

 of, 25. 



Scrofulous tumors of ovary, 121. 



Secondary sexual characters, relation of, 

 to fertility, 89. 



Selection, 885 ; by early breeders, 2 ; with 

 reference to fecundity, 895. 



Sex, causes that determine, 296-836 ; de- 

 termined by heredity, 327 ; determined 

 by parental influence, 814 ; Dr. Flint's 

 theory of, 330; influence of illegitimacy 

 on, 811 ; influence of degree of impreg- 

 nation in determining, 831 ; influence 



