Published in Proceedings of the California Academy of Sciences, in 1915, in volume 5, pages 1-10

Published in Proceedings of the California Academy of Sciences, in 1915, in volume 5, pages 11-31

Published in Proceedings of the California Academy of Sciences, in 1915, in volume 5, pages 33-98

Published in Proceedings of the California Academy of Sciences, in 1915, in volume 5, pages 99-110

Published in Proceedings of the California Academy of Sciences, in 1915, in volume 5, pages 111-161

Published in Proceedings of the California Academy of Sciences, in 1915, in volume 5, pages 163-193