Page:Popular Science Monthly Volume 86.djvu/254

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250
THE POPULAR SCIENCE MONTHLY.
Typical Exposure of the Fossil-bearing Barstow Miocene Formation North of Barstow. (Photograph by C. L. Baker.)

desert dotted here and there with patches of flowers of unusual beauty and fragrance, offering their charms as an antidote for the misery of thirst about them.

The living mammalian fauna of the Mohave comprises thirty-five species, of which twenty-one are rodents. The Ungulata are re]:)resented only by the pronghorn antelope and the desert big-horn. The Carnivora include the desert coyote, the Mohave Desert kit fox, the California raccoon, a spotted skunk, a striped skunk, the northwest cougar, and the desert wildcat. The rodent fauna includes thirteen genera. The species are mainly characteristic desert forms. Of the living mammals only a few genera are known also in the older faunas of

Folded and Faulted Strata Representing a Portion of the Section Containing Fossil Remains North of Barstow. (Photograph by C. L. Baker.)