By the time Henri was well enough to resume his former activities it was almost the first of May. The winter quiet was over with a vengeance, and the Allies were hammering hard with their first tolerably full supply of high-explosive shells. Cheering reports came daily to the little house -, of rapidly augmenting armies, of big guns on caterpillar trucks that were moving slowly up to the Allied Front. Great Britain had at last learned her lesson, that only shells of immense destructiveness were of any avail against the German batteries. She was moving heaven and earth to get them, but the supply was still inadequate. With the new shells experiments were being made in barrage fire - costly experiments now and then; but the Allies were apt in learning the ugly game of modem war. Only on th

