That was what two grim old sachems of the Dacotahs had dubbed him; and though his official title, on the lists of the Zoological Park, was "Kaiser," the new and more significant name had promptly supplanted it. The Park authorities-people of imagination and of sentiment, as must all be who would deal successfully with wild animals-had felt at once that the name aptly embodied the tragedies and the romantic memories of his all-but-vanished race."