ORDER PACHYDERMATA. 343 



intermediate between the Horse and the Ass, 

 (it is properly the wild Mule of the ancients,) 

 and which lives in troops in the sandy deserts 

 of the centre of Asia. It is Isabella, or light 

 coloured bay, with the mane and dorsal line 

 black ; its tail is terminated by a black tuft. 



The Ass, {Equus Asinus, Lin.) Buff. IV. xi. 



Is known by its long ears, and the tuft at the 

 end of the tail ; by the black stripe it has on the 

 shoulders, and which is the first indication of 

 the bands which distinguish the two following 

 species, originally of the great desert of cen- 

 tral Asia. It is there still to be found in a wild 

 state in countless troops, which migrate from 

 north to south, according to the season ; hence 

 they do not do well in countries too much to 

 the north. Every one knows its patience, so- 

 briety, robust constitution, and the services it 

 renders to the poor in the country. 



Its rough voice, or braying, results from two 

 small peculiar cavities at the bottom of the 

 larynx. 



The Zebra, (Equus Zebra, Lin.) Buff. XII. i. 



Nearly of the form of the Ass, with transverse 

 stripes all over, white and black, with perfect 

 regularity. It is originally from all the south- 

 ern parts of Africa. We have seen a female 



