Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 5-9

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 10-16

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 17-19

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 20-23

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 24-36

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 37-49

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 50-51

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 52-53

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 54-59

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 60-65

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 66-69

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 70-131

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 132-133

Published in South African journal of natural history, in 1922, in volume 3, issue 2, pages 134-137