squadron, besides other corroborative evidence. I observed that he might have been imposed upon by a forgery, and asked whether his conviction was shared by C. J. Macdonald, agent of the Transit Company, whose experience rendered his opinion valuable. Capt. Davis replied that Mr. Macdonald had been satisfied of the fact by Lieut. McCorkle’s report, but that he (Capt. Davis), fully aware of the responsibility he was assuming, pledged himself for the authenticity of this statement. I thereupon agreed to communicate to you this conversation, and to submit the following offers from Capt. Davis, as the only propositions likely to be admissible, viz: That, under the guarantee of the American flag, you should, with sixteen officers of your selection, with their arms, horses and effects, leave Rivas to embark at San Juan for Panama; that Rivas with its garrison, should be surrendered to Capt. Davis; that the privates should deliver up their arms, and, together with the officers, employees and citizens, be transported by another route to Panama, accompanied by a United States officer, and under guarantee of the United States flag. At 2 o’clock, A.M., 1st May, I returned to Rivas, promising your answer at 10 o’clock, and personally to come back, if the negotiation was not broken off.” In the offers thus submitted by Henningsen, nothing was said of the native Nicaraguans then in Rivas. Walker, therefore, informed Henningsen that he would sign nothing, or agree to nothing, unless ample guarantees were given for the safety, both in person and property, of the native Nicaraguans. Hence, when Henningsen returned at 10 o’clock, A.M., on the first of May, with the draft of an agreement to be signed by Walker and Davis, it contained a clause protecting all natives of Central America then in Rivas. The convention submitted to Davis, and signed by him, reads as follows: “RIVAS, May 1, 1857. “An agreement is hereby entered into between Gen. William Walker, on the one part, and Commander H. Davis, of the U. S. Navy, on the other part, and of which the stipulations are as follows: “Firstly, Gen. Wm. Walker, with sixteen officers of his staff, shall march out of Rivas with their side-arms, pistols, horses, and personal baggage, under the guarantee of the said Capt. Davis, of the U. S. Navy, that they shall not be molested by the enemy, and shall be allowed to embark on board the U. S. vessel-of-war, the St. Mary’s, in the harbor of San Juan del Sur, the said Capt. Davis, undertaking to transport them safely on the St. Mary’s to Panama. “Secondly, The officers of Gen. Walker’s army shall march out of Rivas with their side-arms, under the guarantee and protection of Capt. Davis, who undertakes to see them safely transported to Panama, in charge of a United States officer.