| 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 |
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