Inside was still another garden. I had expected to find cages
with animals inside them. But there were none to be seen.
Instead there were little stone houses here and there all over
the garden; and each house had a window and a door. As we walked
in, many of these doors opened and animals came running out to us
evidently expecting food.

"Haven't the doors any locks on them?" I asked the Doctor.

"Oh yes," he said, "every door has a lock. But in my zoo the
doors open from the inside, not from the out. The locks are only
there so the animals can go and shut themselves in any time they
want to get away from the annoyance of other animals or from
people who might come here. Every animal in this zoo stays here
because he likes it, not because he is made to."

"They all look very happy and clean," I said. "Would you mind
telling me the names of some of them?"

"Certainly. Well now: that funny-looking thing with plates on
his back, nosing under the brick over there, is a South American
armadillo. The little chap talking to him is a Canadian
woodchuck. They both live in those holes you see at the foot of
the wall. The two little beasts doing antics in the pond are a
pair of Russian minks--and that reminds me: I must go and get
them some herrings from the town before noon--it is early-closing
to-day. That animal just stepping out of his house is an
antelope, one of the smaller South African kinds. Now let us move
to the other side of those bushes there and I will show you some