6Chapter V Decoying Submarines to Destruction
18Appendix IV The Question of Arming Merchant Ships
7Chapter VI American College Boys and Subchasers
19Appendix V The Advantages of the Convoy System
8Chapter VII The London Flagship
20Appendix VI The Navy Department's Policy
9Chapter VIII Submarine Against Submarine
21Appendix VII Comments Upon Navy Department's Policy
10Chapter IX The American Mine Barrage in the North Sea
22Appendix VIII Monthly Losses Since February, 1917, From Enemy Action
11Chapter X German Submarines Visit the American Coast
23Appendix IX Tonnage Constructed by Allied and Neutral Nations Since August, 1914
12Chapter XI Fighting Submarines from the Air
