Acetylene gas, use of, for salvage,47,52Adams, Lieut.-Comdr. B. F., R.N.,187,188,200,201Admiralty, Board of, responsibility of,69Aerial attack—at first attempt,146,147at final attempt,171Afridi, H.M.S.,App.Aircraft—German in Flanders,6,41utility in defence,40,41Allied lines of communication,3,12,13Anchoring ofVindictive,184Approach, the story of the,173ff.Astronomical conditions,134Attack, expected duration of,132,134Attempt—the first,141ff.,155the second,153,154the final start,165Attentive, H.M.S.,App.Babb, Sub-Lieut, R.N.,230Bamford, Captain E., R.M.L.I.,203Barrage firing from coast batteries,37Bases, use of advanced,19Beatty, Admiral Sir David,63,104,105,107,108Billyard-Leake, Lieut. Edward W., R.N.,226,231,234,235Blake, Able-Seaman F. E., R.N.,209Blake, Sub-Lieut. L. R., R.N.R.,218Blankenberghe,buoy,174,175,242description,8,9German craft at,11,12,190Blocking—alternative methods of,17,42,43favourable position for,44influence of current,57previous attempts elsewhere,54-56,58summary of difficulties,41,56Blockships—capabilities of,49,52,69,70credit due to,73,234,235difficulty of sinking,56,57,58preparatory work in,52,100types of,45-47,69,70SeeThetis, Intrepid, IphigeniaBlockship's crews, disembarkation of surplus,124,125,170,171Boddie, Engineer Lieut.-Comdr., R.N.,228Bombardment—by our monitors,16,84,174,175previous attempts at,35,43,44Bonham-Carter, Lieut. Stuart S., R.N.,226,228,230,234,235Botha, H.M.S.,91;App.Bouclier, French destroyer,App.Bowen, Lieut. G.,225Bradford, Lieut. George N., R.N.,206,207Brilliant, H.M.S.,70,143,246;App.British morale, effect on,258,259Brock, Wing-Commander Frank, R.N.A.S.,98,115,116,153,187,200Bruges,9,10,11,270Brussels, merchant steamer,29Buckley, Yeoman of Signals John, R.N.,189,190Buoys, lack of dependence on,8,91,92Bury, Engineer Lieut.-Comdr. W. A., R.N.,184,243Calais,13Cameroon River, German attempt to block,58Campbell, Lieut. H. G., R.N.,185,188,189,240,245Campbell, Commander V. L. A., R.N.,220Canal system in Flanders,9-11Casualties, British,253,254Cement, use of, in blockships,52Chappell, Lieut.-Comdr., R.N.V.R.,224Chevallier, Sub-Lieut. F. E., R.N.,205Clerical work,140Coast defences, German,35-38Coastal Motor Boats,144,145,149-151No. 5,219;App.No. 7,218,233;App.No. 16,217;App.Nos. 21, 25, 26,219;App.No. 22B,217;App.No. 23B,217,232;App.No. 32,219,220;App.Nos. 2, 4, 10, 12, 15, 17A, 19, 20, 24A,27A, 28A, 29A, 30B, 34A, 35A;App.Collins, Captain Ralph, R.N.,224Command of the sea,3,4Compasses, damage to—inVindictive,239,240Concentration,144,145,262Cooke, Lieut. F. T. V., R.M.L.I.,203Co-operation, value of,264Cordner, Major, R.M.L.I.,182Cory-Wright, Lieut., R.N.,230Crews, size of, in blockships,86,124.Daffodil, H.M.S.—choice of,79,80duties of,81,86,176fitting out of,100,108,109,118,119previous history,80proceedings of,168,173,185,188,189,199,205,237,240retirement of,245Dallas-Brooks, Captain Reginald, R.M.A.,192,193,194Darkness, use of,37,38,132Davidson, Captain A. P., R.N.,111Deane, Lieut. Percy T., R.N.V.R.,232,233Defence measures,61,62Defences, summary of German,41Demolition—object of,76,77,195,196training for,111,112the work of,189,205Depths—at Blankenberghe,9in entrance channel at Zeebrugge,48,49,131Destroyers,84,220,221D'Eyncourt, Sir Tennyson,100Dickinson, Lieut.-Comdr. C. C., R.N.,111,205Diversions,59,60,61,196,208, 279practibility of using,61Douglas, Captain H. P., R.N.,90n.Dover—the return to,243,244the reception at,244Dover Patrol—memorials,15morale,96,97work of,13,14,15,97,98Dover Straits, difficulty of closing,13,14Dunkerque,13Eagles, Major C. E. E., R.M.L.I.,208Eastlake, Lieut. A. L., attached R.E.,186,187Edwards, Commander, R.N.V.R.,182Elliot, Lieut.-Col. Bertram N., R.M.L.I.,111,112,128,182Endurance of German submarines,4,5Erebus, H.M.S.,174;App.Faulknor, H.M.S.;App.Finch, Sergeant, R.M.L.I.,192Flame-throwers inVindictive,115,186,187Flanders Coast—description of,6,7,8,22,24,25value to Germany,5-7,10-12Fog, effect on attackers,60,175effect on defence,59,175Fogs, artificial,59,60Franks, Lieut. Ivor B., R.N.,110French motor launches Nos. 1, 2, 33, 34;App.French Torpedo Boats Nos. 1, 2, 3, 34;App.Fuel,4Function of the Navy,3Gas, poison,60Geddes, Sir Eric,157General Craufurd, H.M.S.;App.Geographical situation,6,7German bases in Flanders,6,10,29German craft based on Flanders,6German High Seas Fleet,3,4,19,21,94,95German morale before the attack,96,97,104German morale after the attack,255-257German reports of the attack,250,251German submarines,4,5,11,12,13,14,16Gibbs, Commander Valentine F., R.N.,185,207,208Godsal, Commander A. E., R.N.,42,246,247Goeben battery,204Gore-Langton, Lieut-Commander Hubert E., R.N.,220,223Grand Fleet—duties of,94,95work of,102,103Groynes,7,24,25Guerre de Course tactics,5Halahan, Captain H. C., R.N.,111,114,116,128,182,201Hardy, Lieut.-Comdr. H. N. M., R.N.,246Harrison, Lieut.-Comdr. A. L., R.N.,200,201,202Harwich, forces from;App.Haselfoot, Lieut.-Comdr. F. E. B., R.N.,90n.Hawkings, Lieut. Claude E. K., R.N.,206Heligoland,19Helyar, Lieut.-Comdr. Kenneth C., R.N.,220,222,223Henderson, Lieut. Oscar, R.N.,209,245Hermione, cutting out of—in 1799,54,55Hewett, Lieutenant Graham S., R.N.V.R.,194Hilton-Young, Lieut. E., R.N.V.R.,196Hindustan, H.M.S.,111,118,119,120,125,127;App.History—lack of encouragement from,58object of studying,54Historical analogies,54-56,58Howitzers inVindictive,79,98,193,194Hydrographic Department,91Initiative,89,149,150Instructions, the art of writing, 66,67Intrepid, 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,79,80duties of,81,86fitting out of,100,108,109,118,119proceedings of,168,173,185,205-209retirement of,245,246Jakobynessen battery,37Jellicoe, Admiral Sir John, R.N.,17,157Kaiser's visit to Zeebrugge,252Kaiser Wilhelm battery,204Keyes, Vice-Admiral Roger J. B., R.N.,14,63,109,113,114,167,168,220,243,246,263,264,265, 282appreciation of,63,68,69connection with planning,67,68,82postponement decision,147,148Lamplough, Lieut. C. R. W., R.M.L.I.,203Leadership,264,265Lestin, French destroyer;App.Lightfoot, H.M.S.;App.Lines of communication,3,12,13,96Lingfield, H.M.S.;App.Littleton, Lieut. H. A., R.N.V.R.,232,233Lord Clive, H.M.S.;App.Lock gate,10,22,28,43,44,49Losses, British material,253,254MacVean, Lieut. D. E. J., R.N.V.R.,217Mails, precautions,120Manly, H.M.S.;App.Mansfield, H.M.S.,224;App.Marine Artillery,104,112,113,126,192-194Infantry,104,111,112,126Marines, embarkation of,118,119Marshal Soult, H.M.S.;App.Martinique, attack on—in 1794,54,55Mastiff, H.M.S.;App.Matchless, H.M.S.;App.Material results obtained,249-253.Matériel, relation to personnel,181McCutcheon, Staff Surgeon, R.N.,197,198McKenzie, Able Seaman,202Medical,197,198Meikle, Engineer Sub-Lieut., R.N.,230Melpomene, H.M.S.,224;App.Mentor, H.M.S.;App.Mercantile Marine, appreciation,143,144Merrimac, U.S. steamer,54,58,88Meteorological conditions,131Military training,112,113Minefields, German,38,39Mines—effect of,93,94,173precautions against,94Mine-sweepers,6,39,94Monitors,36,146,174Monitors: M.21, M.24, M.26;App.Moon, state of,134Moorsom, H.M.S.,224,242,243;App.Moral results obtained,255-260Morale,96,97Morris, H.M.S.,224;App.Motor launches,144,225,240Motor launches:—No. 110,225;App.No. 128,224;App.No. 282, 230, 231, 232, 233, 234;App.No. 308,225;App.No. 424,224;App.No. 526,229,232,233;App.No. 558,224,226;App.Nos. 11, 16, 17, 22, 23, 30, 60, 79,105, 121, 223, 239, 241, 249, 252,254, 258, 262, 272, 274, 276, 279,280, 283, 314, 345, 397, 416, 420,422, 429, 448, 512, 513, 525, 532,533, 538, 549, 551, 552, 555, 556,557, 560, 561, 562;App.Myngs, H.M.S.,224;App.Napoleon's maxim,95Navigation, coastal,56,57difficulties and dangers,7,8,40,41importance of accuracy,90ff.,178open sea,56Nelson, Lord,55,147,148Newbold, Lieut. Aubrey C., R.N.,210,214Nieuport,6,7,8North Star, H.M.S.,220,221,222,223;