rant, 607; lays down its arms, 613.
Ohio, Buell in command of department of, i., 23.
Ord, General E. O. C., in pursuit of rebels at Hatchie river, i. 118; succeeds McClernand before Vicksburg, 863; in command of Eighteenth corps, II., 465; captures Fort Harrison, III., 71; wounded, 71; succeeds Butler in command of army of the James, 329; before Petersburg, 452, 501; final assault on Petersburg, 501-516; parallel advance to Appomattox with Sheridan and Meade, 546, 556, 558, 578, 584; at Rice's station, 573; at Appomattox, 598; at surrender of Lee, 602.
Ossabaw sound opened by Sherman, III., 263; Sherman's arrival at, 297.
Osterhaus, General P. J., battle of Champion's hill, i., 262; assault on Vicksburg, 320; battle of Lookout mountain, 499.
Paducah, seizure of?
Palmer, General I., movement against Weldon railroad, III., 226; movement to hinder reinforcement of Wilmington, 228, 235.
Pamunkey river, crossing of, II., 263-268; topography of surrounding count