LETTRR XV. 



is made of the cartilages, gristles, and the finest pieces 

 f the cuttings and parings of 'the hides, boiled in water. 

 The thinnest of the calves'-skins are manufactured 

 into vellum. The blood is riie principal ingredient 

 in making Prussian-blue. Sadlers, and others, use a 

 fine sort of thread prepared from the sinews, which is 

 much stronger than any other equally tine. The 

 gall, liver, and urine, are not without their uses in 

 ruev'.idne, or in manufactures. 



The universal ly known productions of milk, butter,, 

 and cheese, as well as the excellent nutriment which 

 beef ailords to the human body, clearly shews that 

 the cow is, of all quadrupeds, and indeed of the whole 

 animal creation, the most beneficial to man. The 

 observation of Dr. Goldsmith, that " The cow is 

 the poor man's pride, his riches, and support/' is 

 pleasing, but unfortunately inaccurate. That agree- 

 able and elegant writer had not been accustomed to 

 see and observe much rural economy. The monopoly 

 of laud deprives the greatest part of the poor of the 

 means of keeping a cow ; and in most country vil- 

 lages milk cannot be procured at any price. 



I shall, in my next, entertain you with "an account of 

 some other species of horned cattle, which, not being 

 domesticated like the cow, are not so useful to man, 

 although it is not improbable, that, by a proper ma- 

 nagement more benefit might be derived from them 

 than is generally imagined. 



In the mean while, most affectionately, 



I am, dear Sir, 



Your's, &c 



LETTER XV. 



" The buffalo and bison ; \viM ;md ficree, 



Roams llie wicK- j-lctms., exulting in their strength." 



DF.AR Sin, 



ACCORDING to my promise, which you justly 

 expect me to fulfil, I shall jjive you a concise de- 

 scription of the 



