Homicide in Arizona.—Tbe Santa Fa Gazette, of Feb. 8th, baa the following in reference to the killieg of Kelly, editor of the Mcssilla Times, by Baylor, the rebel leader, in Arizona:By letters from Fort Craig, this week, the death of Kelly, the proprietor of the Messilla Times, is announced. An article appeared in that paper, in which Baylor, the rebel General, was severely criticised and which gave offense to Baylor. The latter demanded of Kelly that he should retract the offensive language, which he refused to do, and said that he would again refer to him in the Times. Thereupon, Baylor drew his revolver and shot Kelly, instantly killing him. These are the facts in the ease as related to us. Kelly was well known in New Mexico, having for some time been engaged in the public surveys of the Territory.The Mariposa Gazette states that a shooting affray occurred in that county lately, bet vecn