Published in Proceedings of the California Academy of Sciences, in 1922, in volume 11, pages 399-526
Published in Proceedings of the California Academy of Sciences, in 1922, in volume 11, pages 527-601
Published in Proceedings of the California Academy of Sciences, in 1922, in volume 11, pages 603-610
Published in Proceedings of the California Academy of Sciences, in 1922, in volume 11, pages 611-653