Published in Proceedings of the California Academy of Sciences, in 1916, in volume 5, pages 195-201

Published in Proceedings of the California Academy of Sciences, in 1916, in volume 6, pages 1-17

Published in Proceedings of the California Academy of Sciences, in 1916, in volume 6, pages 19-40

Published in Proceedings of the California Academy of Sciences, in 1916, in volume 6, pages 41-52

Published in Proceedings of the California Academy of Sciences, in 1916, in volume 6, pages 53-85

Published in Proceedings of the California Academy of Sciences, in 1916, in volume 6, pages 87-128

Published in Proceedings of the California Academy of Sciences, in 1916, in volume 6, pages 129-213

Published in Proceedings of the California Academy of Sciences, in 1916, in volume 6, issue 7, pages 215-221