OFFSPRI)I0 OF All A86 AND ZEBRA. 1K7 



oxigen, equal to 37*5 grains, combined with one of potasb, 

 equal to 48, must unite in triple union with one of oximu- 

 ri^tic gas equal to 32*9, to form one proportion, equal t» 

 n8*4 grains, of hyperoximuriate of potash. 



(Tii he concluded in our next/ 



VL 



Farther Account of a Mule Animal between the Male Ass 

 and Female Zebra. In a Letter from. Thomas Andaew 

 i^NiGHT, Fsq^s F.R.S., ^c. 



To W. NICHOLSON, Esq. 

 Dear Sir, 



J.N a former number of your Philosophical Journal* you ofFspiingofaBi 

 have given an account of a mule animal between the male assani zebrn, 

 ass and female zebra, which was bred by the present Eart 

 of Powis; and you have expressed a wish to obtain farther 

 information respecting it: I in consequence send you the 

 following particulars. .v/;toVj 



You have justly stated, that the zebra would not admit Wild animali 

 the approach of the ass till his coat had been properly distinguish 

 painted to resemble her own; which circumstance is curi- ^^J^J^^^*" 

 ous, because it goes far to prove, that animals, in a state of 

 nature, distinguish and select those of their own species, in 

 part at least, by sight; while in a state of domestication, when 

 their colours become varied by the influence of cultivation, 

 they appear to be guided almost entirely by another sense. 



The animal, which I proceed to describe, like other The anima! 

 mules, bore, externally, a greater resemblance to its male morereseia- 

 than to its female parent ; and until by near approach it* than the female 

 stripes, which were much less distinct than those of the ze- parsnt, 

 bra, became visible, it was not readily distinguishable from 



• Received from the Right Hon, Sir Joseph Banks, Bart.,, P. R, S. ; 

 «nd inserted Vol 11, p. 267 of ihe quarto setiFi. 



« wry 



