Published in Proc. Calif. Acad. Sci. (4), in 1957, in volume 29, pages 21-46

Created: 2009-12-24, modified: 2011-06-21

Published in Proc. Calif. Acad. Sci. (4), in 1957, in volume 29, pages 87-146

Created: 2009-12-24, modified: 2011-06-21

Published in Proceedings of the California Academy of Sciences, in 1957, in volume 29, pages 147-256

Created: 2011-06-28, modified: 2011-06-28

Published in Proceedings of the California Academy of Sciences, in 1957, in volume 29, issue 3, pages 47-86

Created: 2009-12-23, modified: 2013-08-15