INDEX. 



HUTH. 



459 



Hoofs, correlated with hair in varia- 

 tion, ii. 318. 



Hook-Billed duck, skull figured, i. 

 297. 



Hooker, Dr. J. D., forked shoulder- 

 stripe in Syrian asses, i. 67; voice of 

 the cock in Sikkim, i. 272 ; use of 

 Arum-roots as food, i. 324; native 

 useful plants of Australia, i. 328 ; 

 wild walnut of the Himalayas, i. 

 379; variety of the plane-tree, i. 

 386 ; production of Thuja orientalis 

 from seeds of T. pendula, ibid. ; 

 singular form of Begonia frigida, i. 

 389 ; reversion in plants run wild, 

 ii. 7 ; on the sugar-cane, ii. 153 ; on 

 Arctic plants, ii. 244 ; on the oak 

 grown at the Cape of Good Hope, ii. 

 264 ; on Rhododendron ciliatum, ii. 

 267 ; stock and mignonette perennial 

 in Tasmania, ii. 295. 



Hopkirk, Mr., hud-variation in the 

 rose, i. 406 ; in Mirabilis jalapa, i. 

 407 ; in Convolvu'us tricolor, i. 440. 



Hornbeam, heterophyllous, i. 385. 



Horned fowl, i. 241 ; skull figured, i. 

 279. 



Hornless cattle in Paraguay, i. 92. 



Horns of sheep, i. 98 ; correlation of, 

 with fleece in sheep, ii. 318 ; corre- 

 lation of, with the skull, ii. 327 ; 

 rudimentary in young polled cattle, 

 ii. 306 ; of goats, i. 106. 



Horses, in Swiss lake-dwellings, i. 51 ; 

 different breeds of, in Malay Archi- 

 pelago, ibid. ; anomalies in osteology 

 and dentition of, i. 52 ; mutual 

 fertility of different breeds, i. 53 ; 

 feral, i. 54; habit of scraping away 

 snow, i. 56 ; mode of production of 

 breeds of, i. 57 ; inheritance and 

 diversity of colour in, i. 58 ; dark 

 stripes in, i. 58-63, ii. 343 ; dun- 

 coloured, origin of, i. 61 ; colours of 

 feral, i. 63, 64 ; effect of fecundation 

 by a quagga on the subsequent pro- 

 geny of, i. 435 ; inheritance of pecu- 

 liarities in, i. 454, 456 ; polydactylism 

 in, i. 459 ; inheritance of colour in, 

 i. 465 ; inheritance of exostoses in 

 legs of, i. 469 ; reversion in, ii. 6, 

 15; hybrids of, with ass and zebra, 

 ii. 16 ; prepotency of transmission in 

 the sexes of, ii. 40 ; segregation of, 



in Paraguay, ii. 80 ; wild species of, 

 breeding in captivity, ii. 132 ; curly, 

 in Paraguay, ii. 189, 318; selection 

 of, for trifling characters, ii. 1 95 ; 

 unconscious selection of, ii. 197, 198 ; 

 natural selection in Circassia, ii. 210; 

 alteration of coat of, in coal-mines, 

 ii. 268 ; degeneration of, in the Falk • 

 land Islands, ii. 267 ; diseases of, 

 caused by shoeing, ii. 290 ; feeding 

 on meat, ii. 294; white and white- 

 spotted, poisoned by mildewed vetches, 

 ii. 331 ; analogous variations in the 

 colour of, ii. 341 ; teeth developed on 

 palate of, ii. 385 ; of Bronze period 

 in Denmark, ii. 423. 



Horse-chestnut, early, at the Tuileries, 

 i. 386 ; tendency to doubleness in, ii. 

 152. 



Horse-radish, general sterility of the, 

 ii. 154. 



"Houdan," a French sub-breed of 

 fowls, i. 241. 



Howard, C, on an Egyptian monument, 

 i. 17 ; on crossing sheep, ii. 73, 

 99. 



Hue, on the Emperor Khang-hi, ii. 

 189 ; Chinese varieties of the bam- 

 boo, ii. 243. 



Humboldt, A., character of the Zam- 

 bos, ii. 21 ; parrot speaking in the 

 language of an extinct tribe, ii, 138; 

 on Pulex penetrans, ii. 265. 



Humidity, injurious effect of, upon 

 horses, i. 55. 



Humphreys, Col., on Ancon sheep, i. 

 104. 



Hungarian cattle, i. 84. 



Hunter, John, period of gestation in 

 the dog, i. 30 ; on secondary sexual 

 characters, i. 188 ; fertile crossing 

 of Anser ferus and the domestic 

 goose, i. 303 ; inheritance of pecu- 

 liarities in gestures, voice, &c, i. 450 ; 

 assumption of male characters by 

 the human female, ii. 26 ; period of 

 appearance of hereditary diseases, ii. 

 54 ; graft of the spur of a cock upon 

 its comb, ii. 286 ; on the stomach of 

 Larus tridentatus, ii. 292. 



Hunter, W., evidence against the in- 

 fluence of imagination upon the 

 offspring, ii. 251. 



Huth, Mr., close interbreeding of rabbits 



