ration: _Below_--A party of Serbian officers trying the effects
of gas while on a visit to the Western front. They entered a British
trench filled with gas for practice purposes, and are seen adjusting
their gas masks for protection. (_British Official Photo, Copyright by
U. & U._)]

[Illustration: _Top_--A great Australian howitzer in action
in France under a camouflage screen. Note the size of shells, which
require four men to handle. (_Australian Official Photo; copyright, U. &
U._)

_Bottom_--American Army Postoffice in France on Mothers' Day, 1918.
Letters and packages from the folks back home are the American soldiers'
greatest comfort on the battle front. (_Copyright, Committee on Public
Information_.)]

[Illustration: An American battery of howitzers ready to
fire upon the Huns from the ruins of a town in France. This was one of
the first United States official photographs of the American advance
in the Argonne, a district that is not all forest by any means, but
comprises much cultivated territory and many towns and villages that
have been wrecked by ruthless German fire. (_Photo by Signal Corps,
U.S.A_.)]

[Illustration: CHARGE OF THE BRITISH 9TH LANCERS ON A GERMAN
BATTERY DURING THE BATTLE OF MONS

The battery had inflicted heavy losses on the British troops. All the
gunners were cut down and the guns put out of action.--Drawn by Dudley
Tennant for The Graphic, from notes by a trooper.]

[Illustration: German prisoners captured by Canadians during a French
raid, with one of their captors. The Canadians became noted for the
success of their raids by day and night and seldom failed to bring back
prisoners. (Canadian official photograph.)]

[Illustration: _Above_--American negro infantrymen advancing toward the
front in the Argonne along a screened highway. It can truly be said of
these American soldiers and their ilk in the campaign in France that
"the colored troops fought nobly."

_Below_--Men of the 132nd U.S. Infantry, 33rd Division, in a front line
trench, looking toward the valley of the Meuse, where it is estimated
70,000 men lie buried. (_U.S. Official Photos_.)]

[Illustration: THE FIRST NAVAL RESERVE UNIT TO LEAVE FOR SERVICE IN
THE WAR.

The First Battalion of the Naval Militia of New York passing in review
of Mayor Mitchell and other officials on stand at Union League Club, 39th
Street and Fifth Avenue. (_Copyright by U. & U., N.Y._)]

[Illustration: Earl Kitchener of K