Published in Memoirs of the Carnegie Museum, in 1920, in volume 7, issue 6, pages 399-476

Created: 2017-05-01, modified: 2017-05-01

Published in Memoirs of the Carnegie Museum, in 1920, in volume 8, issue 2, pages 385-450

Created: 2017-05-01, modified: 2017-05-01