Off the shelf: Lear 2

I was going to write some stuff about Lear here, but I'm not in the write mood this morning. I'll leave it for tomorrow.
For a man who studied nature these rabbits are a bit dodgy, but it’s still a great drawing. Here’s the limerick it illustrates:

There was an Old Person whose habits
Induced him to feed upon Rabbits;
When he’d eaten eighteen,
He turned perfectly green,
Upon which he relinquished those habits.