Having understood that Capt. Whitby had stated in a letter to the British Consul of this City that he had in his possession an affidavit of a Pilot which proves that he had not violated the jurisdiction of the United States in the killing of Pierce, I thought it expedient to procure the enclosed affidavits,1 which will establish beyond doubt the illegality of his conduct and that no authorized Pilot has made the deposition abovementioned.