Published in Proc. Calif. Acad. Sci. (4), in 1951, in volume 27, pages 1-14

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

Published in Proc. Calif. Acad. Sci., in 1951, in volume 27, pages 17-58

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

Published in Proc. Calif. Acad. Sci., San Francisco, in 1951, in volume 27, pages 65-75

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

Published in Proc. Calif. Acad. Sci., San Francisco, in 1951, in volume 27, pages 77-132

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

Published in Proc. Calif. Acad. Sci., in 1951, in volume 27, pages 133-158

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

Published in Proc. Calif. Acad. Sci., in 1951, in volume 27, pages 159-176

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