UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 10, No. 8, pp. 1 1 1-127, 21 text-figures 



s JAN y- t . 

 2j«ai Muse 



Issued December 23, 1916 



MAMMALIAN REMAINS FROM THE CHANAC 

 FORMATION OF THE TEJON HILLS, 

 CALIFORNIA 



BY 



JOHN C. MEEKIAM 



CONTENTS 



PAGE 



Introduction Ill 



Stratigraphie position of mammal-bearing Chanac formation in the Tejon 



Hills . 112 



Composition and relationships of mammalian fauna of the Chanac formation 116 



Description of Chanac mammalian fauna 117 



Bhinoeerotid and mastodontine remains 117 



Neohipparion gratum tehonense, n. subsp 118 



Neohipparion, near molle Merriam 120 



Limb fragments of Neohipparion 122 



Protohippus tehouensis Merriam 125 



Prosthennops, sp 126 



Camelid, indet 127 



Meryeodus, near neeatus Leidy 127 



INTRODUCTION 



Within a few weeks following the publication of a note 1 on mam- 

 malian remains from the Tejon Hills of California, in 1915, a party 

 representing the Department of Palaeontology of the University of 

 California visited the Tejon Hills, at the request of the writer, to 

 secure additional material, and to make further study of the occur- 

 rence of the fauna. This party, consisting of J, P. Buwalda, B. L. 

 Clark, and F. E. Vanghan, examined the Tejon Hills area in which 

 the first material was found and re-studied with care the beds from 



1 Merriam, J. C, Eemains of land mammals from marine Tertiary beds in the 

 Tejon Hills, California, Univ. Calif. Publ., Bull. Dept. Geol., vol. 8, pp. 283-288, 

 1915. 



