ASS. 
species of animals \s'ould soon be blended 
with each other ; no one kind would preserve 
it's original perfection ; every creature woul'tt 
quickly degenerate ; and the world must ine- 
Titably be over-run with monstrous and de- 
formed productions. 
The horse and the Ass, though they- some- 
what resemble each other, are nevertheless of 
two distin6i: kinds, and very different in their 
riatures, tempers, and habits. Their shapes antJ 
manners possess a considerable degree of 
similarity ; but there is something in every 
animal, besides it's conformation and way of 
life, which determines it's specific nature. 
Thus, between the horse and the Ass, there 
is a much stronsicr reseniblancc than between 
the goat and the sheep ; and vet the latter 
produce an animal capable of reproducing an 
offspring which resembles a sheep, while the 
mule of the former is marked witli invariable 
ffterii'ity. The goat and- the sheep may, there- 
fore, be denominated of one species, though 
so unlike in figure ; while the horse and the 
Ass are perfe6llydistin6f, notwithstanding they 
are io nearly allied in conformation. It is, 
