"No."

"A donkey."

"No."

"An elephant?"

"No."

"An alligator?"

"No."

"A h-i-p hip, p-o, po, hippo, p-o-t pot, hippopot, a hippopota, m-u-s mus—hippopotamus, that's what it is!"

This had always made him laugh, being the way, as I had told him, that I learned to spell when I went to school; but to-day there was something deep and solemn in his heart, and he turned away from my lightness with close-sealed lips, while his eyes, winking hard, seemed suspiciously open. I was half inclined to call him back and guess again. But had not every one of the four boys been making me guess at that four-legged thing since they could talk about birthdays? And were not the conditions of our living as unfit now for four-legged things as ever? Besides, they already had the cow and the pig and a hundred two-legged hens. More live stock was simply out of the question at present.

The next day Babe snuggled down beside me at the fire.