defence in modern warfare, 80 necessity for study, 2 Frontage of outpost company, 135 Frontal attack, 60-61 Gaines's Mill, battle of, 14, 65 Gallieni, General, 28, 37 Gas, 42, 81, 100, 176-177 Gatacre, Maj.-Gen. Sir W. F., K.C.B., 152 Gaugamela, (note) 32 General reserve, in attack, 33-34 in defence, 91-92, 94-95 George, Rt. Hon. D. Lloyd-, O.M. (_quoted_): British efforts, 1914-1918, 16-17 Gette River, 91 Gettysburg, battle of, 15, 45, 61, 65-66, 95-96, 117, 128 Gheluvelt, 42, 88 Gifert Wood, 158 Givenchy, 43 Grant, Maj.-Gen. P. G., C.B., 174 Grant, General U. S., U.S.A., 3, 7, 15, 46, 60-62, 90, 117, 149-150 Gravelotte, battle of, 158 "Green Curve," the, 9, 34 Grenades, hand and rifle, 166 Grenfell, Gen. Sir F. W., K.C.B., 156 Grouchy, Marechal, 7-8, 90-91 Ground, eye for, 125-126 scouts, 71 Guards' division, 43, 75, 160 Gueudecourt, 37 Haerincourt and Epehy, battle of, 21 Haig of Bemersyde, Field-Marshal Earl, K.T., 53 (_quoted_):-- artillery, 169-170 canal bridges, 77 Carey's force, 174 cavalry in defence, 96 cavalry in the war, 66-67 fuse No. 106, 170 gas, 176-177 hang on! 43 health and moral, 13 infantry the backbone, 22 New Armies, 19-22 "Other Man's Job," 164 principles of war, 2 rearward services, 13 reserves in 1918, 95 rifle and bayonet, 70 smoke, 177 surprise, 7 tanks, 175 Haking, Lieut.-Gen. Sir R. C. B., G.B.E. (_quoted_):-- advanced guards, 104 rear guards, 123 Hal and Tubize, 78 Hamley, Gen. Sir E. B., K.C.B. (_quoted_):-- communications, 31 co-operation, 35-36 courage, 14 definitions, 6 "Higher Ranks" fallacy, 4 mobility, 11 study required, 2 Hancock, Gen., U.S.A., 93 Hand grenades, 166 Hannibal, 47 Harold II., king, 11-12 Harrison's Landing, 65 Hastings, battle of, 11-12 Health and moral, 13 Heavy artillery, 172, 173 Heights of Abraham, 38 Henderson, Col. G. F. R., C.B. (_quoted_):-- Abraham Lincoln, 14 atmosphere of battle, 29-30 British and American troops, 17-18 cavalry, 64 "Common Sense" fallacy, 3 co-operation, 35-37 discipline, 11 eye for ground, 125-126 flank attacks, 114 Grant's bases, 90 soldiers' battles, 9 sound system of command, 33 Spottsylvania, 93-94 study necessary, 4-5 value of text-books, 23 Hennechy, 66 "Higher Ranks" fallacy, 4 Hill, Gen. D. H., C.S. Army, 25-26 Hindenburg, Marshal von, 52 Hindenburg Line, battle of the, 21, 30 Hohenlinden, battle of, 128 Hood, Gen. J. B., C.S. Army, 45 Hooker, Gen., U.S.A., 3, 48, 76, 117 Horatius Cocles, 77 Horse artillery, characteristics of, 168, 170 Hotchkiss rifles, 168 Howitzers, 170, 171, 172, 173 Human nature in war, 13-16 Hunter, Gen., U.S.A., 7