* * * * * “The very man!” A voice hailed him from behind, and a gunner subaltern materialised. “Are you going up the line?” “I am—at once.” The Sapper placed his bicycle against a heap of sandbags. “What does my dear one desire? “The accursed Hun placed two large obuses into the Ritz yesterday afternoon. What do you propose to do about it?” They were strolling slowly through the sopping grass. “Nothing—if I can possibly avoid it,” answered the Sapper firmly. “You select for an O.P. the most prominent house in the locality—put a signaller on the top of it with a large flag—wait till midday, when the sun is at its brightest, and then send a message back that the bully beef is bad. You——” “Laddie,” interrupted the gunner, “desist. All that you say is true and more—but we must stick to th

