PHTHISIS. 



INDEX. 



PIGS. 



475 



Phthisis, affection of the fingers in, ii. 

 326. 



Phylloxera, i. 354. 



Pickering. Dr., on the grunting voice 

 of humped cattle, i. 83 ; occurrence 

 of the head of a fowl in an ancient 

 Egyptian procession, i. 258 ; seeding 

 of ordinarily seedless fruits, ii. 152 ; 

 extinction of ancient Egyptian breeds 

 of sheep and oxen, ii. 421 ; on an 

 ancient Peruvian gourd, ii. 425. 



Picotees, effect of conditions of life on, 

 ii. 262. 



Pictet, A., oriental names of the pigeon, 

 i. 215. 



Pictet, Prof., origin of the dog, i. 15; 

 on fossil oxen, i. 85. 



Piebalds, probably due to reversion, ii. 

 11. 



Pietrement, M., on the ribs of horses, 

 i. 52. 



Pigeaux, hybrids of the hare and 

 rabbit, ii. 135. 



Pigeon a cravate, i. 156. 



Pigeon bagadais, i. 149, 150. 



Pigeon coquille, i. 163. 



Pigeon cygne, i. 150. 



Pigeon heurte, i. 163. 



Pigeon pattu plongeur, i. 164. 



Pigeon polonais, i. 151. 



Pigeon romain, i. 149. 150. 



Pigeon tambour, i. 162. 



Pigeon turc, i. 146. 



Pigeons, origin of, i. 137, 140, 189-214 ; 

 classified table of breeds of, i. 142 ; 

 pouter, i. 143-145 ; carrier, i. 146- 

 149; runt, i. 149-151; barbs, i. 

 151-153 ; fantail, i. 153-155 ; turbit 

 and owl, i. 156 ; tumbler, i. 156-161 ; 

 Indian frill-back, i. 161 ; Jacobin, 

 ibid.; trumpeter, i. 162 ; other breeds 

 of, i. 163-165 ; differences of, equal 

 to generic, i. 166; individual varia- 

 tions of, i. 167-169 ; variability of 

 peculiarities characteristic of breeds 

 in, i. 169 ; sexual variability in, i. 

 170, 171; osteology of, i. 171-177; 

 correlation of growth in i. 177-180, 

 ii. 313 ; young of some varieties 

 naked when hatched, i. 179, ii. 326 ; 

 effects of disuse in, i. 180-187 ; set- 

 tling and roosting in trees, i. 190 ; 

 floating in the Kile to drink, ibid: ; 

 dovecot, i. 194, 195 ; arguments for 



unity of origin of, i. 197-214; feral, 

 in various places, i. 199, ii. 7 ; unity 

 of coloration in, i. 204-206 ; reversion 

 of mongrel, to coloration of C. livia, 

 i. 207-214; history of the cultivation 

 of, i. 215-217; history of the princi- 

 pal races of, i. 217-222 ; mode of 

 production of races of, i. 222-235 

 reversion in, ii. 22 ; by age, ii. 14 

 produced by crossing in, ii. 14, 22 

 prepotency of transmission of cha- 

 racters in breeds of, ii. 41, 42 ; sexual 

 differences in some varieties of, ii. 50; 

 period of perfect plumage in, ii. 53 ; 

 effect of segregation on, ii. 63 ; pre- 

 ferent pairing of, within the same 

 breed, ii. 81 ; fertility of, increased by 

 domestication, ii. 90, 138; effects of 

 inter-breeding and necessity of cross- 

 ing, ii. 106 ; indifference of, to change 

 of climate, ii. 144 ; selection of, ii. 

 79, 183, 188 ; among the Romans, 

 ii. 187 ; unconscious selection of, ii. 

 196, 198 ; facility of selection of, ii. 

 220; white, liable to the attacks of 

 hawks, ii. 215 ; effects of disuse 

 of parts in, ii. 288 ; fed upon meat, 

 ii. 294 ; effect of first male upon the 

 subsequent progeny of the female, 

 i. 437 ; homology of the leg and wing 

 feathers in, ii. 315; union of two 

 outer toes in feather-legged, ibid. ; 

 correlation of beak, limbs, tongue, 

 and nostrils, ii. 316; analogous 

 variation in, ii. 341, 342 ; permanence 

 of breeds of, ii. 425. 

 Pigs, of Swiss lake-dwellings, i. 71 ; 

 types of, derived from Bus scrofa and 

 Sus indkus, i. 68-70 ; Japanese (Sus 

 pliciceps, Gray), figured, i. 72 ; of 

 Pacific Islands, i. 73, ii. 64 ; modifica- 

 tions of skull in, i. 72-75 ; length of 

 intestines in, i. 77, ii. 293 ; period of 

 gestation of, i. 77 ; number of verte- 

 brae and ribs in, ibid. ; anomalous 

 forms, i. 78, 79 : development of 

 tusks and bristles in, i. 79 ; striped 

 young of, i. 80 ; reversion of feral, 

 to wild type, i. 80, 81, ii. 7, 22 ; 

 production and changes of breeds 

 of, by inter-crossing, i. 82 ; effects 

 produced by the first male upon 

 the subsequent progeny of the 

 female, i. 436 ; pedigrees of, i. 447 



