Now I growl when I'm pleased, and wag my tail when I'm angry. Therefore I'm mad.' 'I call it purring, not growling,' said Alice. 'Call it what you like,' said the Cat. 'I said pig,' replied Alice; 'and I wish you were down here with me! There are no mice in the air, I'm afraid, but you might catch a bat, and that's very like a mouse, you know. But do cats eat bats, I wonder?' And here Alice began to cry again, for she felt very lonely and low-spirited. In a little while, however, she again.