Minnesota, Merrimac attacks, [89], [91]
Missionary Ridge, see Chattanooga
Mississippi, secedes, [56]; conflicting authorities balk navy, [69-70]
Mississippi, Confederate ship, [100], [102]; burnt at New Orleans, [97]
Mississippi River, Union power on, [68]; Federal problem, [105]; River War (1862), [116] et seq.; River War (1863), [260] et seq.; Federals hold, [310-11], [370]
Missouri, saved for Union, [25-29], [56-57]; Southern sympathy in, [56]; River campaign (1862), [121-22]; Curtis in, [122], [143]
Missouri River, made Federal line of communication, [28-29]; last Confederate foothold on, [120]
Mitchel, General O. M., raid, [161]
Mobile, fleet drawn from, [107]; in Southern hands, [310], [335-336]; Farragut against, [317], [337]; Fort Morgan, [320-23]; army sent against, [327]; Sherman desires attack on, [347]; Grant's plan to help Farragut, [349]; taken, [188], [319], [361], [364]
Monitor, duel with Merrimac, [85-91], [197]; Lincoln on plans for, [189]