How doth the little crocodile
Improve his shining tail,
And pour the waters of the Nile
On every golden scale!
How cheerfully he seems to grin
How neatly spreads his claws,
And welcomes little fishes in,
With gently smiling jaws!
— Lewis Carroll, from Alice’s Adventures in Wonderland
The Lewis Carroll Society of North America has a bunch of information, including links to relevant web sites.