CLASS IN NATURAL HISTORY.
Teacher. "Johnny, what do we call a creature with two legs?"
Johnny. "A biped, ma'am."
Teacher. "Name one."
Johnny. "A man, ma'am."
Teacher. "Are there any feathered bipeds?"
Johnny. "Chickens and ostriches, ma'am."
Teacher. "That's right. Willie, what is a quadruped?"
Willie. "A thing with four legs, ma'am."
Teacher. "Name one."
Willie. "An elephant."
Teacher. "Are there any feathered quadrupeds?"
Willie. "Yes, ma'am."
Teacher. "What?"
Willie. "A feather-bed, ma'am."