Also its bones were not those of a mammal, but the cartilagenous bones of a fish.
Inside the body of the mammal this is impossible, because the air is too far away.
So the allantois of the reptile has become the placenta of the mammal.
That bolt, which would have shocked a mammal into insensibility, only slowed the Throg.
It has thus the power of grasping a tree which no other mammal possesses.
They differ at least as much from the parent as any one mammal from another.
Well, Master 'Sunbeam,' in what class will you place this mammal?
And then we have still the amphibian, the lizard, and the bird or mammal, up to man.
Society—as yet, at least—is not an organism in the sense that a tree or a mammal is.
Mahmoud obtained a fox, which was his first mammal, saving a bushy-tailed rat.