Published in Journal of the Linnean Society of London, Zoology, in 1921, in volume 34, issue 229, pages 345-398

Published in Journal of the Linnean Society of London, Zoology, in 1921, in volume 34, issue 229, pages 399-427

Published in Journal of the Linnean Society of London, Zoology, in 1921, in volume 34, issue 229, pages 429-456