Published in Transactions of the American Philosophical Society, in 1906, in volume 21, issue 2, pages 31-95
Created: 2026-05-26, modified: 2026-05-26
doi:10.2307/1005446
Published in Transactions of the American Philosophical Society, in 1906, in volume 21, issue 3, pages 97-173
Created: 2026-05-27, modified: 2026-05-27
doi:10.2307/1005443