“They can grow in human jaws—in yours, for instance. You have four canine teeth, as the naturalists call them; so why can’t they grow in a lion’s?”

“Because it’s unnatural,” said Dyke, beginning to chip away some of the jawbone from around the last tusk. “Canine teeth can grow in my jaws, because you said one day that I was a puppy.”

“I say, don’t, little un. You’re growing too clever, and attempts at jokes like that don’t seem to fit out here in this hungry desert. Mind what you are about, or you’ll spoil the tooth.”

“I’m minding; but what did you mean about your Nil desperandum?”

“That I’ll never despair. When we’ve tried everything we can out here, and failed, we’ll go back home and settle in London. Something always turns up, and you’re so handy, that we’ll start as dentists, and you shall extract all the teeth.”

“All right, Joe. My word! this is a tight one. But people wouldn’t have their teeth taken out with hammer and chisel.”

“You could use laughing gas.”

“They wouldn’t laugh much, gas or no gas,” cried Dyke, “if I got hold of their teeth with the pincers, like this. I say, this is a tough one. He never had toothache in this. You have a go: your muscles are stronger than mine.”

“No; have another try.”

“But it makes me so hot.”