756 



1KDEX. 



Goose, ib.-of the Wild Duck, liv 

 of the Gallinaceous Fowls, Iv exam- 

 ples of the effect of temperature, hu- 

 midity, altitude, and peculiar habi- 

 tudes, in modifying the animal form, 

 Iv-lix examples of the faculty pos- 

 sessed by animals of transmitting ac- 

 quired properties to their progeny, 

 lix the permanence of the cha- 

 racters acquired by varieties ; and 

 examples of this in the case of the 

 human species, and the domesticated 

 quadrupeds, Ixi examples of the ef- 

 fect of continued reproduction be- 

 tween animals closely allied in blood, 

 in producing a similarity of charac- 

 ters, and, likewise, in impairing the 

 constitution of the animals, Lxiii the 

 natural provision for obviating the 

 effects of unsuitable alliances of ani- 

 mals in the state of liberty, Ixiv ex- 

 amples of the power of animals to 

 transmit their instincts and habits 

 to their descendants, ib. exam- 

 ples of the faculty possessed by ani- 

 mals of communicating peculiarities 

 of conformation, occasioned by muti- 

 lation, to their descendants, Ixvii 

 inquiry into the distinction between 

 a Species and a Variety, ib. 

 Antelope, Wool-bearing, 10, 

 Argali, Asiatic, 23. 



Bearded, 24. 



Arnee of India, 218. 

 Ass, Wild, natural history of the, 436 

 his early subjugation, and the effects 

 of domestication on his temperament 

 and habits, 439 his special adaptation 

 to the temperate and warmer cli- 

 mates, and notices of the breeds of 

 Eastern and Southern countries, 441 

 his naturalization in the New 

 World, 443 his abundance in the 

 British Islands, and the importance 

 of directing attention to his proper 

 cultivation, ib. 



Ayrshire Breed of Cattle, 339 former 

 rudeness of the agriculture of Ayr- 

 shire, 340 characters of the older 

 breed of the country $ and inquiry 

 into the origin of the existing Dairy 

 breed, 342 its external characters, 

 and superior milking properties, 343 

 --its extension to other districts of 

 Scotland, 344 result of crossing it 

 with the Short-horned breed ; and 



the propriety of maintaining the 

 purity of the native breed, ib. 



Babiroussa of the Indian Islands, na- 

 tural history of the, 396 its capabi- 

 lity of domestication, 397. 



Barbet or Water-Dog, 745. 



Beagle, 742. 



Beloochistan, Dog of, 647. 



Berkshire Breed of Swine, 431 its size, 

 colour, and aptitude to fatten, ib. ef- 

 fect of crossing with the Chinese 

 breeds in lessening its size, and in- 

 creasing the delicacy of the pork, 432 

 the limits to the profitable diminu- 

 tion of the size of the Old Swine of 

 England, and the facility with which 

 their defective characters might be 

 removed by careful selection of the 

 breeding parents, ib. inexpediency 

 of the practice of crossing them with 

 the Wild Hog, 433. 



Bison, American, natural history of the, 

 211 its fitness for domestication, 213. 



European, natural history of 



the, 208 its incapability of submit- 

 ting to domestication, 210. 



Black-faced Heath Breed of Sheep, 84 

 description of the heathy moun- 

 tains from which it is derived, ib. 

 its diffusion over all the mountains of 

 Scotland, 85 its external characters 

 and fattening properties, and the ex- 

 cellence of its mutton, 86 its pecu- 

 liar adaptation to a county of heaths, 

 87 the coarseness of its wool, ib. 

 variety of size and aspect presented 

 by these sheep in different districts, 

 ib. method of rearing and treating 

 them in the mountainous countries 

 which they inhabit, 88 results of 

 crossing them with the Cheviot, Lei- 

 cester, and South Down breeds, 91 

 economical importance of the breed, 

 and the means of improving it, 92. 

 Black Horse, Old English, 608 its re- 

 semblance to the race of the same co- 

 lour existing in the countries of the 

 Lower Rhine, the Meuse, and the 

 Scheldt, 609 its naturalization in 

 England from theHumbertotheCam, 

 and its extension westward through 

 the midland counties to the Severn, 



and southward into the countries of 



the Chalk, ib. external characters of 



the older race, and the improvement 



