Table of Contents:
  • A Pleistocene flora from Santa Cruz island, California, by R. W. Chaney and H. L. Mason. 1930
  • A Pleistocene flora from San Bruno, San Mateo county, California, by Susan S. Potbury. 1932
  • A Pleistocene flora from the asphalt deposits at Carpinteria, California, by R. W. Chaney and H. L. Mason. 1933
  • Pleistocene flora of the Tomales formation, by H. L. Mason. 1934.