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Heat likewifc tends to accelerate the fattening of 

 feme animals to whom it is congenial; as the hog, to 

 an aftonifhing degree. 



Richnefs of pafture alfo tends to produce tempo- 

 rary changes. On the wool : there is reafon to be- 

 lieve it tends to augment its length in fome degree, 

 though but a little; it adds to its foftnefs and tough- 

 nefs; but in regard to coarfenefs or finenefs, no faft 

 has as yet been found to afcertain that it has any fen- 

 Jlble effeft, though I am aware that opinions are here 

 as decifively adopted as if the fafts had been fully af- 

 certained. On the carcafe: abundance of food is 

 Avell known to augment the fize of all animals to a 

 certciin degree, when compared with fcanty feeding. 

 A fcarcity of food, approaching to the ftate of ftarva- 

 tion, is alfo well known to render the wool, which 

 grow^s at that period of ftarvation, brittle and un- 

 claftick. 



-i^dly. The influence of breed, in propagating the 

 qualities of the parent ftock, or in altering the qua- 

 lities of it at pleafure, by blending it with others, 

 may be faid to be all-powerful. There is not a fin- 

 gle faft, that I have ever been able to meet with, 

 properly afccrtained, that tends to fliew that the dif- 

 tinguifliing peculiarities of any breed of animals can 

 he fenlibly changed in its effential charafterifticks, 

 by any change of climate or any other circumflance, 

 except an intermixture of breed alone ; but innume- 

 rable fa£ls may be found that afcertain the contrary. 



The 



