“I don’t know. Do you?”

“I do. It was William Bradford. He established the first printing-press in New York in 1693. There’s a tablet to his memory at the Cotton Exchange. Who was the mayor of New York when the present City Hall was built?”

“I give it up. Can you tell?”

“Yes, sir. DeWitt Clinton. Where can one find statues of Franklin and Greeley in New York City?”

“I know that—Printing House Square,” laughed Walter.

“Good. What is Franklin holding in his hand?”

“I give it up. What is it?”

“A copy of his first newspaper—‘The Pennsylvanian.’ Where is the Peter Cooper pear tree?”

“Let’s go out on the pond and try the pickerel.”

“All right; only the next time you suggest that I ought to know all about the habits of the squirrels and the bugs, I’m going to ask you about Minetta Creek——”