LESSON FIFTEEN 
THE ASS AND THE MULE 
H 
i=) 
ass (equus asinits), 
quagga (cquus quag 
$2 C0: e OU Se OE 
The wild ass. 
Description. 
The domestic ass. 
Spanish jacks. 
Poitou jacks. 
Native jacks. 
. Other breeds. 
. The burro. 
. The mule. 
. Best types. 
. Uses. 
. Market classes. 
. Disease immunity. 
Raising. 
. Choosing dams. 
Note to the Teacher—The horse (equius caballas), the 
the zebra (equus sebra) and the 
ga) are closely related. Their skele- 
tons when compared are not essentially different, show- 
ing that these four classes of animals are closely related 
and had the same ancestors. The mule is not only a most 
faithful beast, but can be used for certain kinds of work 
for which other work animals are not nearly so well 
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