Published in Proceedings of the California Academy of Sciences, in 1936, in volume 21, issue 29, pages 383-396

Published in Proceedings of the California Academy of Sciences, in 1936, in volume 22, pages 1-66

Published in Proceedings of the California Academy of Sciences, in 1936, in volume 23, pages 35-58

Published in Proceedings of the California Academy of Sciences, in 1936, in volume 23, pages 59-78

Published in Proceedings of The California Academy of Sciences, in 1936, in volume 23, pages 79-81