38 OF MULES. 



ence of this fecond kind of jumar than we have 

 for the firft. With regard to the third jumar, 

 proceeding from the bull and flie-afs, I am per- 

 fuaded, notwithftanding the authority of Merolle, 

 that it has no more existence than the one fup- 

 poled to be produced by the bull and mare. 

 The nature of the bull is ftill farther removed 

 from that of the flie-afs, than from that of the 

 mare: And the unfertility of the mare and bull, 

 •which is afcertained by the above examples, 

 fhould apply with greater force to the union of 

 the bull and afs. 



The 



