L 35 1 



Only take notice how eafily error may be propa- 

 gated as truth. Had this fheep been allowed to re- 

 main untouched till the fliearing feafon, it would 

 have been found that it afforded wool, inftead of the 

 hair it was thought to have carried in Jamaica. 

 Thus does inaccurate obfervations, in a thoufand in- 

 flances, pervert our reafoning, and make us embrace 

 error inftead of truth. Adieu! in hafte, 



Your's fmcerely, 



JAMES ANDERSON. 



Mr. Wm. Matthews. 



N. B. This fample is prefen-ed for infpeflion, by the 

 Secretar}'. It contains about an equal quantity of hair, as 

 coarfe as that of almpfl any dog, and of wool as foft as filk. 



[The following letter to the Secretary was intro- 

 du£tory to the foregoing Eflay, &c. and is inferted 

 here, not as effential to the main produdlion, but 

 on account of its allufion to other fubjefts. J 



Article II. 



On Canal-Locks, Bridges, Peat Mofs, &c, 



[By Dr. Anderson.] 



T Have been a long while pafl: a very unprofitable 

 -*■ member of the Bath Agriculture Society ; but, 

 1 tnift, the avocations I have otherwife had will 



D 2 plead 



