CHAPTER II 
ON ANIMAL LIFE 
THERE is no species of animal or plant which 
would not well repay, I will not say merely 
the study of a day, but even the devotion of 
a lifetime. Their form and structure, develop- 
ment and habits, geographical distribution, 
relation to other living beings, and past 
history, constitute an inexhaustible study. 
When we consider how much we owe to 
the Dog, Man’s faithful friend, to the noble 
Horse, the patient Ox, the Cow, the Sheep, 
and our other domestic animals, we cannot 
be too grateful to them; and if we cannot, 
like some ancient nations, actually worship 
them, we have perhaps fallen into the other 
extreme, underrate the sacredness of animal 
life, and treat them too much like mere 
machines. 
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