from Meadow Valley Region, S. Nevada. 263 



Digit 4, phalanx 2 



Length 33.2 mm. 



Width of proximal end •. 16.4 



Depth of proximal end 15.4 



Width of distal end 12.8 



Digit 3, phalanx 3 



Length 18.7 



Width of proximal end 12 



Depth of proximal end 10 



a, approximate. 



Descriptive List of Collecting Localities. 

 Univ. of Calif. Coll. Log. 



No. 3546. Meadow Valley, % mi. SE of Panaca, Lincoln 

 County, Nevada. In deposits of reddish-brown color exposed on 

 north side of terraced spur south of Panaca> Pioche Sheet, 

 U. S. G. S. 



No. 3547. Meadow Valley, Nevada, % mi. SE of locality 3546. 

 Strata exposed on south side of terraced spur south of Panaca. 

 Pioche Sheet, U. S. G. S. 



No. 3548. Meadow Valley, approximately 4 miles SE of 

 Panaca, Lincoln County, Nevada. Massive beds of light brown 

 sands and gravels showing cross-bedding and weathering to form 

 pinnacles which often stand apart from the main exposures. 

 South side of terraced spur south of Panaca. Pioche Sheet, 

 U. S. G. S. 



No. 3550. Muddy Valley, approximately 21/2 miles NW of 

 Overton, Lincoln Co., Nevada. Near base of exposed section of 

 light brown sandstones and clays capped by conglomerate. 

 Locality is west of the Muddy River and immediately west of the 

 Weber Ranch. Saint Thomas Sheet, U. S. G. S. 



No. 3551. Muddy Valley, Nevada, approximately 500 ft. west 

 of locality 3550 and approximately 20 ft. higher in the section. 

 Well consolidated chocolate colored clay beds. Saint Thomas 

 Sheet, U. S. G. S. 



Conclusions. 



Two series of sedimentary deposits in the Meadow 

 Valley region of southeastern Nevada have yielded 

 mammalian remains of later Cenozoic age: (1) the 

 Panaca beds exposed in Meadow Valley near the village 

 of Panaca, and (2) the Mnddy Valley beds as exposed 

 between the villages of Overton and Logan in Mnddy 

 Valley. 



