Aboukir, [235], [236]
Aërial mail service, [362]
Aërial instruction, [109]-121
Aërial Coast Patrol Unit, [188]
Aerodromes, [170]
Airplane costs, [224], [225]
American aviators in France, [109], [111], [174]
American Flying Corps, [175]
André, General, [267]-269
Andrée, Polar expedition, [41], [56], [57]
Anti-aircraft guns, [128], [129], [144]-147, [150], [151], [169], [172], [173], [211], [230], [297], [305]
Antwerp, [195]
"Archies," see [anti-aircraft guns]
Arlandes, Marquis, d', [29]
Archimedes, [19]
Army Aviation School, Mineola, [188]
Arras, [185]
Astra-Torres, [81]
Austrian, submarine, U-11, [190];
seaplane, [191];
warships vs., British submarines, [334];
submarines, [261], [360];
submarine strength of, [306], [307]
Aviation, in England, [104], [105], [106];
in France, [104]-106;
Germany, [104]-106, [108];
Russia, [106];
United States, [182]-190, [194], [202], [221]
"Avro" machines, [148]

B

Baker, Ray Stannard, quoted, [287]-293
Ball, Captain, [212]-214
Baltic, [157]
Bauer, Wilhelm, [253], [254]
Belgium, [18], [108], [184], [196]
Belgium, mapping coast of, [150]
Berlin, [65], [74], [75], [156], [357]
Besnier, wings, [16]
Blanchard, aeronaut, [35]
Bleriot, aviator, [35], [95], [109];
airplane, [186]
Blockade, United States, [10]
Boelke, Lieutenant, [118]-120;
story of air duel of, [214]-216
Brazil, submarine strength of, [307]
Briggs, Commander, [148]
Bristol, biplane, [126]
British, [105], [147], [149], [151], [152], [164], [166], [171], [183], [188], [190], [334];
Admiralty, [236], [272];
Navy, [195], [274];
Royal Flying Corps, [105], [106], [164], [166], [167], [174], [212];
Royal Naval Air Service, [150], [200];
submarine strength, [301], [302]
Brussels, [165]
Bushnell, David, [246]-249, [263]

C

Calmette, M., [267]-270
Canada, airplane factories in, [107]
Caproni, airplanes, [204], [228]
Cayley, Sir George, [36], [83]
Channel, English, [30], [35], [55], [144], [324], [340], [341]
Chanute, [90]
Chapman, Victor, [176], [179], [180], [214]
Charles, M., [25];
balloon, [31]
Churchill, Winston, [155]
Civil War, [5], [7], [10], [61], [260], [261], [333]
Clement-Bayard II., [56]
Coffin, Howard E., [202]
Congress of the United States, [182], [187], [194], [196], [201], [221], [276], [301]
Congressional Committee, [204]
Cressy, [235], [236]
Curtis, Glenn, [83], [98]
Cuxhaven, [8], [108], [132], [148], [149], [150], [155]

D

Dardanelles, [157], [190], [310], [334]
Da Vinci, Leonardo, [15]
Day, J., [242]-246
"D. H. 5," [126]
Denmark, submarine strength of, [306], [307]
Department of Aeronautics, [182]
Deutsch, Henry, prize for aviation, [39], [46]-50
Deutschland, The, [13], [364]-378
Dewey, Admiral, [271], [272]
Diesel motor, [308], [309], [319], [325], [363], [366]
Douaumont, [162]
Drachens, [220]
Drebel, Cornelius, [238]-240
Driggs, Lawrence La Tourette, [358], [359]
Dubilier, William, [357]

E

Eiffel Tower, [42], [46]-49, [51]. See also [Santos-Dumont]
Emperor of Germany, [65], [69], [72]
England, [73], [75], [95], [105], [108], [142], [147], [166], [182], [184], [194], [201], [202], [207], [209], [240], [251], [253], [303], [345]
Essen, [8], [108]
Expeditionary Army, [106]

F