"Quite correct," the Doctor responded; "you have a good memory both for facts and poetry."

"Kublai-Khan, the Emperor of Cathay," Frank continued, "had never before seen a gentleman from Europe. He was delighted with the Venetians, and greatly interested in the stories they told him about Europe and its countries and customs. How long they remained there we do not know, but it is certain that the emperor, Kublai-Khan, determined to send them as ambassadors to the Pope, who was then the greatest monarch of Europe. Accordingly, he wrote letters to the Pope asking him to send a large number of educated missionaries to Cathay to convert the people to Christianity. These he intrusted to the two Polos, and sent with them an officer of his own court.

THE GREAT KHAN DELIVERING A TABLET TO THE ELDER POLO BROTHERS.
(From a Miniature of the Fourteenth Century.)

"Before they started on their mission he gave them a golden tablet, upon which there was inscribed an order for them to receive everything they might desire for their comfort and convenience in the countries through which they might pass; and his last order to them was 'to bring back to him some oil of the lamp which burns on the sepulchre of our Lord at Jerusalem.' On the road the Tartar prince who accompanied them fell sick, and they were obliged to leave him behind. If the truth were known, it is quite probable he did not wish to make the journey, and was glad of an excuse for avoiding it.

ARMS OF THE POLO FAMILY.