When the Pan-American Congress was in session at Washington, Mr. Andrew Carnegie, who had been appointed by the President as one of the representatives of the United States, was seated during the meetings alongside of Senor Roque Saenz Pena, the representative of the Argentine Republic, and a warm friendship sprang up between the two men. About a year ago Senor Pena was elected to the Presidency of the Argentine Republic. Shortly afterwards he wrote a letter to Mr. Carnegie telling him that he had observed that Mr. Carnegie with great generosity had presented replicas of the skeleton of the Diplodocus in the Carnegie Museum to the National Museum of Argentina, which contains one of the most superb collections representing the paleontology of South America in existence. Requests preferred by Emperors, Kings, and Presidents are practically commands, and Mr. Carnegie felt that he could not refuse, and immediately wrote to the Director of the Carnegie Museum requesting him to have a replica prepared for the Argentine Museum. This has been done, and on July the first the replica, packed in thirty-four boxes, was shipped from New York on the S.S. "Sallust" of the Lamport & Holt line of steamers, the agents of which, Messra, Busk & Daniels, very kindly accorded to the shipment compimentary passage, a courtesy to the Presi-