Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 6, issue 2, pages 59-70

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 6, issue 2, pages 75-87

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 6, issue 2, pages 88-92

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 6, issue 2, pages 93-96

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 6, issue 2, pages 97-104

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 6, issue 2, pages 108-111

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 6, issue 2, pages 112-116

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 1-21

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 22-23

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 24-43

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 44-47

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 48-68

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 69-70

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 71-74

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 75-76

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 77-78

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 79-84

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 85-86

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 87-89

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 90-94

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 95-107

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 108-111

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 110-111

Published in Journal and Proceedings of the Royal Society of Western Australia, in 1921, in volume 7, pages 112-117