a improfoerheMofJbeepand'mQoL yufjfYtt- 



heads, Wk. ist. In r.egard to heat and Cold alone. 

 2(1. In regard to moisture and drynefs upon the whotei 

 And 3d. In regard to the particular season of the 

 rear, that anjr escefs in respect to either 6f these 

 particulars may most prevail. 



' With regard to heat and cold. Ais this point has 

 been already ascertained hj experiments, opinidns dif^ 

 fer perhaps lefs than on any other head. I believe 

 most persons who have reflected cm this subject, ar* 

 now satisfied that heat has. a na:tural tendency td 

 make the wool of flieep coarser in quality and thini 

 her in pile ; and that cold, on the other hand, renders 

 the fleece both finer in the grain and closer in pile; 

 On this head, I myself have no doubt, having made 

 a great' many experiments on this subject with the 

 necefsary accuracy, which ascertained this pc»nt to 

 the entire satisfaction, net only of myself, but of every 

 other person who closely attended to them *. Bat 

 others may doubt of this ; and to give these experi-i 

 ments their full degree of authenticity it would be 

 proper that these Ihould be repeated under the direc- 

 tion of this societj^, with a due attention to ever;^ 

 circumstance that can pofsibly affect the results Iil 

 particular, it would be necefsary to advert to the fbl- 

 lowing circumstances, which were not under my view 

 at the time these experiments were made, i>?'!s. 

 first, the permanency of a change produced by climate 

 on the animal itself; or, second, the influence that 

 a teTDprorary variation of climate may have on the 



*■ Thfse experiments are f.iitlifully recorded. Observations on nation- 

 al industry, Lerrer vi. mJ p ocrscript tc It, to '.vhicJi rh? curio, t rta'Jt: is 

 v-efexici. . 



