PROCEEDINGS 



OF THE 



CALIFORNIA ACADEMY OF SCIENCES 



Fourth Series 



Vol. V, No. 3, pp. 33-98, pis. l-ll June 15, 1915 



FAUNA OF THE TYPE TEJON: ITS RELATION TO 



THE COWLITZ PHASE OF THE TEJON 



GROUP OF WASHINGTON 



BY 



Roy E. Dickerson 

 Assistant Curator, Department of Invertebrate Paleontology 



CONTENTS 



PAGE 



INTRODUCTION 35 



HISTORICAL 35 



TEJON GROUP AT TYPE LOCALITY 



Stratigraphy 39 



Fauna 39 



COWLITZ PHASE OF TEJON GROUP 



Stratigraphy 47 



Fauna 49 



Comparison of Faunas 50 



SUMMARY 51 



DESCRIPTIONS OF SPECIES 

 Pelecypoda 



Leda uvasana, new species 51 



Leda vaderensis, new species 52 



Glycimeris ruckmani, new species 52 



Meretrix tejonensis, nezv name 53 



Macrocallista vaderensis, new species 54 



Macrocallista (?) andersoni, new species 54 



Tellina howardi, nezv species 55 



Seinele diaholi, new species 55 



Corbula harrisi, new species 56 



Corbula nvasana, nezv species 56 



June 15, 1915. 



