UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 9, No. 13, pp. 161-198, plate 8, 48 text figures. Issued February 23, 1916 



TERTIARY VERTEBRATE FxlUNA FROM TH>- 

 CEDAR MOUNTAIN REGION OF 

 WESTERN NEVADA 



BY 



JOHN C. MERRIAM 



CONTENTS 



PAGE 



Introduction >, 162 



Occurrence r. .' 163 



Relation of Cedar Mountain Beds to Esmeralda Formation ..165 



Composition of Cedar Mountain Vertebrate Fauna 168 



Relation of the Fauna to its Environment 168 



Stage of Evolution and Relationships of the Fauna 169 



Description of the Fauna 172 



Pisces 172 



Testudinata 172 



Aves 172 



Carnivora 173 



Tephrocyon, near kelloggi Merriam 173 



Canid, Aelurodontf, sp 174 



Canid, sp 174 



Mustelid?, sp 175 



Felid, sp. A 175 



Felid, sp. B 175 



Bassariscus nevadensis, n. sp 175 



Rodentia , 177 



Dipoides, near tortus (Leidy) 177 



Mylagaulus?, sp 177 



Aplodontia?, sp 177 



Lepus, near vetus Kellogg 179 



Rhinocerotidae 180 



Aphelops?, sp. A 181 



Aphelops'?, sp. B 181 



Equidae 181 



Hypohippus (Drymohippus) nevadensis Merriam 182 



Hypohippus, near osbomi Gidley 186 



Meryehippus, sp 186 



