| Nota de contenido: |
I.. Plesippus francescana (Frick) from the Late Pliocene, Coso Mountains, California, with a review of the Genus Plesippus / Schultz, John R.
II.. A Pliocene Rodent Fauna from Smiths Valley, Nevada / Wilson, Robert W.
III.. A Pliomastodon Skull from the Thousand Creek Beds, Northwestern Nevada / Stock, Chester
IV.. Mustelid Mammals from the Pleistocene of North America; with systematic notes on some recent members of the Genera Mustela, Taxidea and Mephitis / Hall, E. Raymond |