The following is the way the Mormons conduct their military operation*.From the Times and Seasons.Court Martial of the Nauvoo Legion.—Oil the 20th of Feb., the Court Martial of the Nauvoo Legion, by a unanimous vote, adopted the following regulations; to wit:“That no person whatever, residing within the limits of the City of Nauvoo, between the ages of 18 and 45 years, excepting such as are exempted by the laws of the United States, shall he exempt from military duty, unless exinpted by a special act of this court;’’ and the fines for neglecting, or refusing, to appear on the days of general parade were fixed at the following rates—“Generals, 25 dollars. Colonels, 20 dollars; Captains, 15 .dollars; Lieutenants, 10 dollars; and lnusi-icians and privates, 5 dollars;” and for company parade at the following rates—• “for coinmissioned'officers. 5 dollars; non-j commissioned officers, 3 dollars; musicians and privates,2 dollars.”—The Island Oth of April, and the 3d of July, (the 4th coming on Sunday,) were fixed upon as days for general parade for this year.