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 tions with his throat and neck, as if he were trying to gulp down vast quantities of air, and finding the effort most difficult. At length, however, the painful-looking struggle was crowned with achievement. Once more, as on the preceding evening, that great call boomed forth across the swamp, sonorous yet strangulated, uncouth yet thrilling and haunting, the very voice of solitude and mystery—''Klunk-er-glungk. . . Klunk-er-glungk. . . Klunk-er-glungk.''

Almost immediately came an acknowledgment of this untuneful love song—a single hoarse guaw-awk, and another snaky, brown head and yellow dagger bill were raised above the tops of the sedges. The hen bittern, in response to her mate's cry, had just come off her nest.

For some tranquil moments the two eyed each other without stirring, and it almost seemed as if their very immobility was a mode of expression, a secret code for communication between them. The result, if so, appeared to be satisfactory. The hen came stalking solemnly through the grass and sedges toward the water's edge, only pausing on the way to transfix and gulp down a luckless frog. And the stately male, once more spreading his spacious vans, flapped slowly over and dropped again into the grass some ten or a dozen feet from the nest.