ILLUSTRATIONS
Reading edition
Captain Trounce Frontispiece
FACING PAGE
Breathing-apparatus necessary in going into "gassy" galleries 50
Sector near Neuville-St.-Vaast, Vimy Ridge trenches, April 3, 1916 64
The same sector, Vimy Ridge trenches, May 16, 1916 66
Explosion of a mine 80
A cellar, protected by sand-bags, in the village of Hebuterne used as a shelter by engineer officers 130
In a German trench 156
View from rear of a typical German reinforced concrete machine-gun emplacement. Taken on the Hindenburg line south of Arras 178
Rough sketch illustrating breastworks and systems of underground galleries At end of volume