Guerre de Course tactics, 5 Halahan, Captain H. C., R.N., 111, 114, 116, 128, 182, 201 Hardy, Lieut.-Comdr. H. N. M., R.N., 246 Harrison, Lieut.-Comdr. A. L., R.N., 200, 201, 202 Harwich, forces from; App. Haselfoot, Lieut.-Comdr. F. E. B., R.N., 90 _n._ Hawkings, Lieut. Claude E. K., R.N., 206 Heligoland, 19 Helyar, Lieut.-Comdr. Kenneth C., R.N., 220, 222, 223 Henderson, Lieut. Oscar, R.N., 209, 245 _Hermione_, cutting out of--in 1799, 54, 55 Hewett, Lieutenant Graham S., R.N.V.R., 194 Hilton-Young, Lieut. E., R.N.V.R., 196 _Hindustan_, H.M.S., 111, 118, 119, 120, 125, 127; App. History-- lack of encouragement from, 58 object of studying, 54 Historical analogies, 54-56, 58 Howitzers in _Vindictive_, 79, 98, 193, 194 Hydrographic Department, 91 Initiative, 89, 149, 150 Instructions, the art of writing, 66,67 _Intrepid_, H.M.S., 70, 143, 170, 228, 229-231, 232, 234; App. _Iphigenia_, H.M.S., 70, 143, 171, 228, 229, 231, 232, 234, 241, 243-251; App. _Iris_, H.M.S.-- choice of, 79, 80 duties of, 81, 86 fitting out of, 100, 108, 109, 118, 119 proceedings of, 168, 173, 185, 205-209 retirement of, 245, 246 Jakobynessen battery, 37 Jellicoe, Admiral Sir John, R.N., 17, 157 Kaiser's visit to Zeebrugge, 252 Kaiser Wilhelm battery, 204 Keyes, Vice-Admiral Roger J. B., R.N., 14, 63, 109, 113, 114, 167, 168, 220, 243, 246, 263, 264, 265, 282 appreciation of, 63, 68, 69 connection with planning, 67, 68, 82 postponement decision, 147, 148 Lamplough, Lieut. C. R. W., R.M.L.I., 203 Leadership, 264, 265 _Lestin_, French destroyer; App. _Lightfoot_, H.M.S.; App. Lines of communication, 3, 12, 13, 96 _Lingfield_, H.M.S.; App. Littleton, Lieut. H. A., R.N.V.R., 232, 233 _Lord Clive_, H.M.S.; App. Lock gate, 10, 22, 28, 43, 44, 49 Losses, British material, 253, 254 MacVean, Lieut. D. E. J., R.N.V.R., 217 Mails, precautions, 120 _Manly_, H.M.S.; App. _Mansfield_, H.M.S., 224; App. Marine Artillery, 104, 112, 113, 126, 192-194 Infantry, 104, 111, 112, 126 Marines, embarkation of, 118, 119 _Marshal Soult_, H.M.S.; App. Martinique, attack on--in 1794, 54, 55 _Mastiff_, H.M.S.; App. _Matchless_, H.M.S.; App. Material results obtained, 249-253. Matériel, relation to personnel, 181 McCutcheon, Staff Surgeon, R.N., 197, 198 McKenzie, Able Seaman, 202 Medical, 197, 198 Meikle, Engineer Sub-Lieut., R.N., 230 _Melpomene_, H.M.S., 224; App. _Mentor_, H.M.S.; App. Mercantile Marine, appreciation, 143, 144 _Merrimac_, U.S. steamer, 54, 58, 88 Meteorological conditions, 131 Military training, 112, 113 Minefields, German, 38, 39 Mines-- effect of, 93, 94, 173 precautions against, 94 Mine-sweepers, 6, 39, 94 Monitors, 36, 146, 174 Monitors: M. 21, M. 24, M. 26; App. Moon, state of, 134 _Moorsom_, H.M.S., 224, 242, 243; App. Moral results obtained, 255-260 Morale, 96, 97 _Morris_, H.M.S., 224; App. Motor launches, 144, 225, 240