Published in Bulletin of the British Museum (Natural History) Historical Series, in 1959, in volume 1, issue 6, pages 251-371

Created: 2013-04-09, modified: 2021-05-24

Published in Transactions of the Royal Society of South Africa, in 1918, in volume 7, issue 1, pages 189-192

Created: 2016-04-30, modified: 2016-04-30