We may then distinguish "vital" from mechanical movements by the fact that vital movements depend for their causation upon the special properties of the nervous system, while mechanical movements depend only upon the properties which animal bodies share with matter in general.
It is quite likely that, if we knew more about animal bodies, we could deduce all their movements from the laws of chemistry and physics.
If the animals leading the herd change, this happens because the collective will of all the animals is transferred from one leader to another, according to whether the animal is or is not leading them in the direction selected by the whole herd.
If the animals in front are continually changing and the direction of the whole herd is constantly altered, this is because in order to follow a given direction the animals transfer their will to the animals that have attracted our attention, and to study the movements of the herd we must watch the movements of all the prominent animals moving on all sides of the herd.
Undoubtedly," replied the captain, "if it possesses such dreadful power, it is the most terrible animal
that ever was created.
He was quick in his classification, for he knew them at once for man- animal
Among them were the teeth of a gnawer, equalling in size and closely resembling those of the Capybara, whose habits have been described; and therefore, probably, an aquatic animal
Not a single domestic animal
can be named which has not in some country drooping ears; and the view suggested by some authors, that the drooping is due to the disuse of the muscles of the ear, from the animals
not being much alarmed by danger, seems probable.
A man and an ox are both 'animal
', and these are univocally so named, inasmuch as not only the name, but also the definition, is the same in both cases: for if a man should state in what sense each is an animal
, the statement in the one case would be identical with that in the other.
First, let all humans inform themselves of the inevitable and eternal cruelty by the means of which only can animals
be compelled to perform before revenue-paying audiences.
His sister used to grumble about all these animals
and said they made the house untidy.
This condition continued for seven days; his animals
, however, did not leave him day nor night, except that the eagle flew forth to fetch food.