the Big Hunters, should never, never be seen in zoos."
The Doctor seemed to have grown terribly serious—almost sad. But suddenly his manner changed again and he took me by the arm with his same old cheerful smile.
"But we haven't seen the butterfly-houses yet nor the aquariums. Come along. I am very proud of my butterfly-houses."
Off we went again and came presently into a hedged enclosure. Here I saw several big huts made of fine wire netting, like cages. Inside the netting all sorts of beautiful flowers were growing in the sun, with butterflies skimming over them. The Doctor pointed to the end of one of the huts where little boxes with holes in them stood in a row.
"Those are the hatching-boxes," said he. "There I put the different kinds of caterpillars. And as soon as they turn into butterflies and moths they come out into these flower-gardens to feed."
"Do butterflies have a language?" I asked.
"Oh I fancy they have," said the Doctor—"and the beetles too. But so far I haven't succeeded in learning much about insect languages. I have been too busy lately trying to master the shellfish-talk. I mean to take it up though."
At that moment Polynesia joined us and said, "Doctor, there are two guinea-pigs at the back
