Revision of the Payette and Idaho Formations

Abstract
Lists about 97 spp. of plants from the Miocene and Pliocene of western U. S. A. Over 90% of this number are dicotyledonous angiosperms, the remainder are Monocotyledoneae and conifers. Refers to pelecypods, gastropods, and the mammals, Equus, Mastodon, Procamelus, Castor, Olor, Pappichthys, and Cer-vus.

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