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 more."
"Are those deer over there?" I asked.
"Deer!" said the Doctor. "Where do you mean?"
"Over there," I said, pointing—"nibbling the grass border of the bed. There are two of them."
"Oh, that," said the Doctor with a smile. "That isn't two animals: that's one animal with two heads—the only two-headed animal in the world. It's called the 'pushmi-pullyu.' I brought him from Africa. He's very tame—acts as a kind of night-watchman for my zoo. He only sleeps with one
