Published in Proc. Calif. Acad. Sci., in 1964, in volume 30, pages 127-156

Published in Proceedings of the California Academy of Sciences, in 1964, in volume 30, pages 157-174

Published in Proceedings of the California Academy of Sciences, in 1964, in volume 30, pages 175-206

Published in Proc. Calif. Acad. Sci., in 1964, in volume 30, pages 207-210

Published in Proc. Calif. Acad. Sci. (4), in 1964, in volume 30, pages 211-242

Published in Proc. Calif. Acad. Sci., San Francisco, in 1964, in volume 31, pages 503-513

Published in Proc. Calif. Acad. Sci., in 1964, in volume 31, pages 515-558