es,
their choice of objectives for night attacks,
their lack of enterprise,
tip-and-run raids by,
Germany, America declares war on,
estimated total of submarines in 1917,
her submarine production,
naval programme of,
submarine force of and her losses,
Gibb, Colonel Alexander,
Gibraltar, an American detachment at,
an experimental convoy collected at,
Gibraltar convoy, the,
a reason for heavy losses in,
Gibraltar convoy, the, losses in 1917,
_Glen_ (decoy ship),
_Goeben_ severely damaged,
Gough-Calthorpe, Vice-Admiral the Hon. Sir Somerset, his Mediterranean
command,
_Gowan Lea_,
_Grand Duke_ trawler,
Grand Fleet, the, changes in command of,
destroyers and,
destroyers used for Atlantic trade,
Grant, Captain H.W.,
Grant, Rear-Admiral Heathcote, his command at Gibraltar,
Greenock, instructional anti-submarine school at,
Gunnery courses for cadets and apprentices,

Haig, Sir Douglas (Earl), commends work of air force,
Halifax convoy, the,
Hall, Rear-Admiral Sir Reginald,
Halsey, Captain Arthur, appointed Naval Vice-Consul at Bergen,
Halsey, Commodore (Rear-Admiral) Lionel,
becomes Third Sea Lord,
Hampton Roads and New York convoy,
losses in 1917,
Harwich, hydrophone station at,
Harwich force, the, and its commander,
duties of,
intercepts a flotilla of German destroyers,
Hawkcraig, hydrophone station at,
Heath, Vice-Admiral Sir H.L.,
Heligoland Bight, mining of,
proclaimed a dangerous area,
Henderson, Captain Reginald G.H.,
a tribute to,
Henderson, Captain Reginald G.H., and the convoy system,
Homeward-bound convoys, losses in,
Hope, Rear-Admiral George P.W., appointed Deputy First Sea Lord,
Hopwood, Sir Francis (Lord Southborough),
Hotham, Captain A.G.,
Howard, Captain W. Vansittart,
Howitzers and bomb-throwers,
Hydrophone stations and training schools,
Hydrophones,
directional,
fitted to auxiliary patrols,

Irvine, Lieutenant, fights a submarine,

Jackson, Admiral Sir Heney,
First Sea Lord,
Jackson, Captain, injured in a motor accident,
Japanese destroyers in the Mediterranean,
Jellicoe, Admiral (Viscount Jellicoe of Scapa), a personal telegram to
Mr. Schwab,
a tour of the British Empire and its lessons,
amicable relations with U.S. Navy,
and merchant ship construction,
and the building programme of 1916,
and the Dover Patrol,
and the future naval policy,
and the reorganization at the Admiralty,
and the submarine menace,
Jell