OF MULES. ^5 



difcover all the powers and myfteries of Na- 

 ture ! 



Thefe labours confift chiefly in making obfei;- 

 vations and experiments, from which we dilco- 

 ver new truths. For example, the union of 

 animals of difFereni fpecies, by which alone we 

 can learn their kindred, has never been fuffi- 

 ciently tried. The fads we have been able to 

 colled concerning this union, whether volun- 

 tary or forced, are fo few, that we are not in a 

 condition to afcertain the exiftence of jumars. 

 This name v/as firfl; given to mules faid to have 

 proceeded from the bull and mare ; but it has 

 likewife been applied to denote mongrels alledged 

 to have been procreated by the jack-afs and cow. 

 Dr Shaw tells us, that, in the provinces of Tu- 

 nis and Algiers, ' there is a little ferviceable 



* beaft of burden, called Kiimrah^ begot betwixt 

 ' an afs and a coiv. That which I faw at Al- 



* giers (where it was not looked upon as a rarl- 



* ty) was fingle hoofed like the afs, but diftin- 



* guilhcd from it in having a fleeker fl?:in, with 

 ' the tail and the head (though without horns) 



* in fafliion of the dam's *,' 



Thus we have already two kinds of jumars, 

 the one proceeding from the bull and mare, and 

 the other from the juck-afs and cow. A third 

 is mentioned by Merolle, and is pretended to 

 proceed from the bull and fhe-afs. ' There 

 ' was a beaft of burden which proceeds from 



C 2 'the 



* Sliaw's Travels, p. 166. 



