"I had to, my dear. She asked us for the rare names on our lists. I was the third one she came to, and the others had floundered around and told about birds I'd never heard of. I didn't really know which of mine were rare, because I'd never seen any of them but once, you know, and I was afraid I should strike something that was a good deal commoner than a robin, and then it would be all up with me. So I boldly read off these three, because I was sure they were rare. You should have seen her face when I got to the pink-headed one," said Mary, beginning suddenly to appreciate the humor of the situation. "Did you invent them?"