Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 127-137
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 138-163
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 164-172
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 172-173
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 174-194
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 195-210
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 210-223
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 224-238
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 238-257
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 258-259
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 260
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 261-267
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 268-273
Published in South African journal of natural history, in 1919, in volume 1, issue 2, pages 274-277