Index 



Unio penultimus, 174. 



University of California Museum of 



Vertebrate Zoology, 86, 288, 306, 



393. 



University of Oregon, 236. 

 Urosyca caudata, 174, 175, 176. 

 Ursidae, 249. 



Ursus, 165, 211, 212, 214, 219, 249. 



Valley zone, geomorphic feature of 

 Sierra Nevada, 136. 



Venus varians, 172. 



Virgin Valley, Nevada, 22, 30. 



Virgin Valley beds, 33, 227; fauna, 

 205, 214; age of fauna, 218; sec- 

 tions, 204; structure, 30. 



Virginia Kange, 136, 140. 



Volcanics, in the Sierra Nevada, 99; 

 andesite and rhyolite, important 

 members, 99. 



Vultures, The Condor-like, of Rancho 

 La Brea, 1. 



Wainwright, W. B., 383. 



Waring, Gerald A., 27, 32, 53, 224. 



Washoe Lake, 90. 



Washoe Valley, 148. 



Weathering of rocks, influence on for 



mation of fault-scarps, 104. 

 Weaver, C. E., 172. 

 West Humboldt Eange, Nevada, 319, 



330. 



Wiman, Carl, 317. 

 Wortman, J. L., 278. 

 Xema sabini, 82. 

 Yakowlew, N., 318. 

 Zahn, Otto, 7. 

 Zirphaea, 173, 175. 



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