Blockships-- Light Cruisers--_Sirius, Brilliant_. Destroyers-- _Swift, Faulknor, Matchless, Mastiff, Afridi, Tempest, Tetrarch_. Motor Launches-- Nos. 11, 16, 17, 22, 23, 30, 60, 105, 254, 274, 276, 279, 283, 429, 512, 532, 551, 556. Coastal Motor Boats-- Nos. 2, 4, 10, 12, 19, 20, 20A, 34A. COVERING SQUADRON FOR BOTH ENTERPRISES Forces from Harwich-- Light Cruisers, seven. Leaders, two. Destroyers, fourteen. {271} INDEX Acetylene gas, use of, for salvage, 47, 52 Adams, Lieut.-Comdr. B. F., R.N., 187, 188, 200, 201 Admiralty, Board of, responsibility of, 69 Aerial attack-- at first attempt, 146, 147 at final attempt, 171 _Afridi_, H.M.S., App. Aircraft-- German in Flanders, 6, 41 utility in defence, 40, 41 Allied lines of communication, 3, 12, 13 Anchoring of _Vindictive_, 184 Approach, the story of the, 173 _ff._ Astronomical conditions, 134 Attack, expected duration of, 132, 134 Attempt-- the first, 141 _ff._, 155 the second, 153, 154 the final start, 165 _Attentive_, H.M.S., App. Babb, Sub-Lieut, R.N., 230 Bamford, Captain E., R.M.L.I., 203 Barrage firing from coast batteries, 37 Bases, use of advanced, 19 Beatty, Admiral Sir David, 63, 104, 105, 107, 108 Billyard-Leake, Lieut. Edward W., R.N., 226, 231, 234, 235 Blake, Able-Seaman F. E., R.N., 209 Blake, Sub-Lieut. L. R., R.N.R., 218 Blankenberghe, buoy, 174, 175, 242 description, 8, 9 German craft at, 11, 12, 190 Blocking-- alternative methods of, 17, 42, 43 favourable position for, 44 influence of current, 57 previous attempts elsewhere, 54-56, 58 summary of difficulties, 41, 56 Blockships-- capabilities of, 49, 52, 69, 70 credit due to, 73, 234, 235 difficulty of sinking, 56, 57, 58 preparatory work in, 52, 100 types of, 45-47, 69, 70 See _Thetis, Intrepid, Iphigenia_ Blockship's crews, disembarkation of surplus, 124, 125, 170, 171 Boddie, Engineer Lieut.-Comdr., R.N., 228 Bombardment-- by our monitors, 16, 84, 174, 175 previous attempts at, 35, 43, 44 Bonham-Carter, Lieut. Stuart S., R.N., 226, 228, 230, 234, 235 _Botha_, H.M.S., 91; App. _Bouclier_, French destroyer, App. Bowen, Lieut. G., 225 Bradford, Lieut. George N., R.N., 206, 207 _Brilliant_, H.M.S., 70, 143, 246; App. British morale, effect on, 258, 259 Brock, Wing-Commander Frank, R.N.A.S., 98, 115, 116, 153, 187, 200 Bruges, 9, 10, 11, 270 _Brussels_, merchant steamer, 29 Buckley, Yeoman of Signals John, R.N., 189, 190 Buoys, lack of dependence on, 8, 91, 92 Bury, Engineer Lieut.-Comdr. W. A., R.N., 184, 243 Calais, 13 Cameroon River, German attempt to block, 58 Campbell, Lieut. H. G., R.N., 185, 188, 189, 240, 245 Campbell, Commander V. L. A., R.N., 220 Canal system in Flanders, 9-11 Casualties, British, 253, 254 Cement, use of, in blockships, 52 Chappell, Lieut.-Comdr., R.N.V.R., 224 Chevallier, Sub-Lieut. F. E., R.N., 205 Clerical work, 140 Coast defences, German, 35-38