Paris, [3], [23]-25, [28], [48], [50]-53, [61], [110]
Parseval, dirigible, [77], [78]
Parseval-Siegfeld, [141]
Pau, [110]
Père Galien, [17]
Periscopes, [296], [305], [310], [311], [326]-328, [333], [366]
Petersburg, [6]
Pilcher, Percy S., [84], [86], [88]
Pitney, Fred B., quoted, [323]-328
Porter, Admiral David, [259]
Prince, Norman, [176], [180], [216]-221
R
Rees, Major L. W. B., [174]
Renard, [38], [42], [43]
Richmond, [6]
Roberts Brothers' balloon, [34], [35]
Rockwell, Kiffen, [176]-179, [214]
Royal Aërial Factory, [105]
Rozier, Pilatre de, [27], [29];
death of, [30]
Rumsey, Adjt., quoted, [217]-220
Russia, [81], [106], [203], [254];
submarine strength of, [306], [307]
Russian ships sunk in Baltic, [157];
submarine sunk by bombs, [190]
S
Santos-Dumont, [34];
quoted, [38], [39]-47, [48]-50, [51]-54, [59], [60], [62], [63], [88], [95]
Scarborough, [208]
Schutte-Lanz, dirigible, [77], [79]
Schwartz, David, [63]
Scott, Lieutenant, [133]
Seaplanes, [105], [106], [108], [143], [149], [150], [154], [188], [191], [225], [236]
Severo Pax, [77]
Sikorsky, airplanes, [203]
Sincay, Lieutenant de, [191]
Sopwith, biplane, [126], [219]
"S. P. A. D.," [217]
Spain, [81];
submarine strength of, [306]
St. Louis Exposition, [54]
St. Petersburg, [63]
Submarine, controversy between U. S. and Germany, [342];
cruise on, [323]-331;
interior of, [318]-323;
losses, [351]-354;
tenders, [316];
strength of different countries, [306], [307];
ventilation, [239], [240], [307], [312];
war zones, [342], [343]
Submarine warfare, allied losses, [344];
British losses, [344], [345];
neutral losses, [344]
Submarines:
Argonaut, [282]-295, [379]
David, [256], [257]
"E" class, [301]
Fenian Ram, [275]
"F-1," [300]
"F" (Holland type), [301]
German type, [304]
Gustave Zédé, [266], [267]
Gymnote, [265], [266]
Holland No. 2, [275]
Holland No. 4, [275]
Holland No. 8, [278]
Holland No. 9, [271]-273, [278]
Hundley, [258]-260
Intelligent Whale, [261]
Le Diable Marin, [254]
Laurenti type, [306]
Morse, [267]-270
Mute, [253]
Narval, [267], [270]
Nautilus, [252]
Nordenfeldt II., [264]
Octopus, [299]
Plongeur, [260]
Plunger, [277], [278]
Resurgam, [263]
"S" class, [302] (Laurenti or "F. I. A. T." type)
Turtle, [247], [249], [275]
"U-3," [314]
"U-20," [330]
"U-47," [328]-331
"V" class (Lake type), [302]
"W" class (Laubeuf type), [302]
"Viper" class, [299]
Submarines, aircraft as enemy of, [357], [358];
armament of, [312];
(general topic), [159], [188], [190]-195, [209];
marksmanship, [322];
microphone, [357];
motives powers of, [308], [309];
precautions and devices against, [345], [346], [355], [361];
requirements of modern, [307]-317
Sweden, submarine strength of, [306], [307]
Switzerland, [150]
T
Taube, [126]
Thaw, Lieutenant William, [214]
Tissot, Professor, [357]
Torpedo chamber, [320];
plane, [156], [157];
tubes, [298], [301], [303]-306, [312], [315], [317], [320], [353]
Trocadero, [49]-51
Tulasne, Major, [196], [199]
Turkey, submarine strength of, [307]
Turkish, [177], [188], [334]
U
U-53, [12], [206], [353], [354]
U-Boat attacks on, allied merchantmen;
Amiral Ganteaume, [340];
Gulflight, [343];
Lusitania, [193], [210], [263], [343];
Laconia, [347]-351;
Strathend, [354];
West Point, [354];
Stephano, [354];
Bloomersdijk, [354];
Christian Knudsen, [354];
in general, [346]-354
United States, [56]-58, [81], [91], [94]-96, [103], [107], [111], [120], [142], [158], [166], [180], [182], [185], [187], [193], [194], [200], [202], [209], [221], [228], [230], [239], [260], [261], [271], [295], [297], [301], [303], [310], [334], [341], [343], [345], [361], [364], [365], [381];
government of, [96], [272], [273], [276], [296], [343];
declares war upon Germany, [342];
Navy, [297], [298], [300], [354];
submarine strength, [350]
V