262 PRINCIPLES OF STOCK-BREEDING. 



dam of these pigs had produced a litter of pigs, by a 

 Poland-China boar, that were marked in the same 

 manner with sandy-white spots. The sow was bred 

 under my direction, at the Michigan Agricultural 

 College, three years ago, and the stock from which 

 she was descended had not shown any variations from 

 the pure Berkshire type. 



Mr. George T. Allmah, of Tennessee, in the paper 

 noticed below, says : " I bought a trio of Neapolitan 

 hogs, a boar and two sows ; I first bred a very fine, 

 pure-bred Berkshire sow to the Neapolitan boar ; after 

 farrowing, I bred her to Toronto Chief, a Berkshire 

 boar, bred by Bush Brothers, Clark County, Kentucky 

 (from an imported pair), and every time the sow far- 

 rowed, up to her death, she produced pigs with little 

 or no hair, like the Neapolitan." l 



Mr. Darwin, on the authority of Dr. Bowerbank, 

 gives the following striking case : "A black, hairless, 

 Barbary bitch, was first impregnated by a mongrel 

 spaniel, with long brown hair, and she produced five 

 puppies, three of which were hairless and two covered 

 with short brown hair. The next time she was put 

 to a full black, hairless, Barbary dog; but the mis- 

 chief had been implanted in the mother, and again 

 about half the litter looked like pure Barbarys, and 

 the other half like the short-haired progeny of the 

 first father." 9 



The following case is given by Mr. George T. All- 

 man, of Tennessee : " I bought at < "Woodburn,' Ken- 

 tucky, the shepherd-dog York, from the pair the late 



1 Loc. tit., p. 245. 



8 " Animals and Plants under Domestication," vol. i., p. iii. 



