446 



DELPIXO. 



INDEX. 



DIXON. 



T)elpino on Pangenesis, ii. 350, 372. 



Dendrocygna viduata, ii. 140. 



Denny, H., lice of Aperea, ii. 135. 



Dentition, variations of, in the horse, 

 i. 52. 



Deodar, i. 387. 



Desmarest, distribution of white on 

 dogs, i. 30 ; cat from the Cape of 

 Good Hope, i. 49 ; cats of Madagascar, 

 ibid.; occurrence of striped young in 

 Turkish pigs, i. 80 ; French breeds 

 of cattle, i. 84 ; horns of goats, i. 106 ; 

 on hornless goats, ii. 306. 



Desportes, number of varieties of 

 roses, i. 391. 



Devay, Dr., singular case of albinism, 

 i. 460 ; on the marriage of cousins, 

 ii. 102 ; on the effects of close inter- 

 breeding, ii. 251. 



Development and metamorphosis, ii. 

 383, 384. 



Development, arrests of, ii. 306-310. 



Development, embryonic, ii. 361- 

 364. 



D'Hervey-Saint-Denys, L.,on the Ya- 

 mi, or imperial race of the Chinese, 

 ii. 189. 



Dhole, fertility of the, in captivity, ii. 

 134. 



Diabetes, occurrence of, in three bro- 

 thers, i. 460. 



Dianthus, contabescent plants of, ii. 

 149, 150 ; hybrid varieties of, ii. 255. 



Dianthus armeria and deltoides, hybrids 

 of, ii. 76. 



Dianthus barbatus, i. 406. 



Dianthus caryophyllas, i. 406. 



Dianthus japonicus, contabescence of 

 female organs in, ii. 150. 



Diapheromera femorata, ii. 359. 



Dichogamous plants, ii. 68. 



Dickson, Mr., on " running " in carna- 

 nations, i. 407 ; on the colours of 

 tulips, i. 412. 



Dicotyles torqtmtus and labiatus, ii. 133. 



Dieffenbach, dog of New Zealand, i. 

 26 ; feral cats in New Zealand, i. 

 49; polydactylism in Polynesia, i. 

 458. 



Dielytra, ii. 33. 



Diet, change of, ii. 293, 294. 



Digitalis, properties of, affected by cul- 

 ture, ii. 264. 



Digits, supernumerary, i. 457 ; analogy 



of, with embryonic conditions, ii. 16 

 fusion of, ii. 334. 



Dimorphic plants, ii. 112; conditions 

 of reproduction in, ii. 165-169. 



Dimorphism, reciprocal, ii. 68. 



Dingo, i. 26 ; variation of, in colour, i. 

 28 ; half-bred, attempting to burrow, 

 ibid.; attraction of foxes by a female, 

 i. 32 ; variations of, in confinement, 

 ii. 251. 



Diceciousness of strawberries, i. 375. 



Diseases, inheritance of, i. 451,452; 

 inherited at corresponding periods of 

 life, ii. 53-57 ; peculiar to localities 

 and climates, ii. 265 ; obscure corre- 

 lations in, ii. 325, 326 ; affecting cer- 

 tain parts of the body, ii. 374 ; oc- 

 curring in alternate generations, ii. 

 396. 



Distemper, fatal to white terriers, ii. 

 213. 



Disuse and use of parts, effects of, ii. 

 285-293, 345, 346, 414, 415; iD 

 the skeleton of rabbits, i. 129-134; 

 in pigeons, i. 180-187; in fowls, i. 

 284-288; in ducks, i. 299-301; in 

 the silk-moth, i. 317-321. 



Divergence, influence of, in producing 

 breeds of pigeons, i. 230. 



Dixon, E. S., on the musk duck, i. 

 191; on feral ducks, i. 200; on 

 feral pigeons in Norfolk Island, 

 ibid. ; crossing of pigeons, i. 201 ; 

 origin of domestic fowls, i. 242 ; 

 crossing of Gallus sonneratii and 

 common fowl, i. 245 ; occurrence of 

 white in the young chicks of black 

 fowls, i. 256; Paduan fowl of Aldro- 

 vandi, i. 259 ; peculiarities of the 

 eggs of fowls, i. 260 ; chickens, i. 

 261, 262; late development of the 

 tail in Cochin cocks, i. 263; comb of 

 lark-crested fowls, i. 268 ; develop- 

 ment of webs in Polish fowls, i. 272 ; 

 on the voice of fowls, ibid. : origin 

 of the duck, i. 291 ; ducks kept by 

 the Romans, i. 292 ; domestication of 

 the goose, i. 302 ; gander frequently 

 white, i. 303 ; breeds of turkeys, i. 

 309 ; incubatory instinct of mongrels 

 of non-sitting races of fowls, ii. 18; 

 aversion of the dove-cot pigeon to 

 pair with fancy birds, ii. 82 ; fertility 

 of the goose, ii. 90 ; general sterility 



