But, through it all, he was aware of another responsibility--that of his four girl-guests.

“Stand off!” he ordered them, almost violently. “Get farther to windward. Some of the gas is clinging to his clothing!” This while the two uninjured soldiers were removing the victim’s mask and their own, tossing his aside upon the grass, together with the respirator-satchel to which it was attached (the type of satchel which would by and by hold the purifying carbon made from Camp Fire Girls’ peach-stones and pits), so that the gas, which had somehow penetrated the mask, might leak out.

Supported on either side by his comrades.

Keep off! Get away--off--to windward! Don’t you--don’t you get it--the whiff of chlorine from his uniform--r-rich smell----”

Her brother was almost beside himself by this time--Sara knew--in his concern over the whole untimely mishap, and his anxiety for his visitors’ safety.

Obediently--loyally--she moved in the direction from which the fresh breeze blew, herself, dragging two of her companions with her.

But one girl, sneezing, choking, with the flame of the Torch Bearer’s emblem upon her hat, striking downward, lighting her cheeks with a counter-fire--one dared to disobey.

“Gas clinging to his clothing! What--do--I care?” she gasped, feeling her own smooth lungs scorched, her sweet breath seared, not only by the unlaid ghost of chlorine gliding by her, but also by a reflection of the torture going on in that poisoned breast upon the grass, where the victim’s blue, pinched nostrils fought desperately for the wavering breath of life.

Blue Heron, Torch Bearer, looked down at him and, on the instant, she went over the top, as brave men do, in the first wave of knowledge--the seasoned wave of training.