O

Ohio, size of Luzon, [232]

Ola, Simeon, [423] et seq., [436]

Oldfield neutralization resolution, [648]

Olongapo garrison, surrender of, [58]

Otis and the war: Feb. to fall, 1899, [186]–223;
thence to May, 1900, [224]–269

Otis, E. S., General, quoted, [30];
succeeds Merritt, [88];
Chapelle’s estimate of him, [88];
writer’s, [89];
ante-bellum dealings with Aguinaldo, [88]–106, [164] et seq.

Outbreak of February 4, 1899, [186]