Published in Annals of the Durban Museum, in 1920, in volume 2, pages 205-222

Published in Annals of the Durban Museum, in 1920, in volume 2, pages 247-262

Published in Annals of the Durban Museum, in 1920, in volume 2, pages 279-285

Published in Annals of the Durban Museum, in 1920, in volume 2, pages 286-318