Published in Annals of The South African Museum, in 1931, in volume 29, pages 337-340

Published in Annals of The South African Museum, in 1931, in volume 29, pages 341-508

Published in Annals of The South African Museum, in 1931, in volume 30, pages 1-59

Published in Annals of The South African Museum, in 1931, in volume 30, pages 89-91

Published in Annals of The South African Museum, in 1931, in volume 30, pages 93-99

Published in Annals of The South African Museum, in 1931, in volume 30, pages 109-130

Published in Annals of The South African Museum, in 1931, in volume 30, pages 137-156