alicde in the wonderland chapter 10

Alice had seen the lobsters at dinner..... they were the dinner.

`Yes,' said Alice, `I've often seen them at dinn--' she checked herself hastily.

`I don't know where Dinn may be,' said the Mock Turtle, `but if you've seen them so often, of course you know what they're like.'

`I believe so,' Alice replied thoughtfully. `They have their tails in their mouths--and they're all over crumbs.'