UNIVERSITY OF CALIFORNIA PUBLICATIONS 



BULLETIN OF THE DEPARTMENT OF 



GEOLOGY 



Vol. 8, No. 7, pp. 181-202, pis. 19-22 Issued August 6, 1914 



DESCRIPTIONS OF NEW SPECIES OF FOSSIL 

 MOLLUSCA FROM THE LATER MARINE 

 NEOCENE OF CALIFORNIA 



BY 



BKUCE MAETIN 

 CONTENTS 



PAGE 



Introduction 181 



Modiolus stalderi, n. sp - 182 



Buccinum saundersi, n. sp 183 



Nassa moraniana, n. sp 183 



Chrysodomus lawsoni, n. sp 184 



Chrysodomus eurekaensis, n. sp 185 



Chrysodomus scotiaensis, n. sp 186 



Chrysodomus andersoni, n. sp 186 



Chrysodomus purisimaensis, n. sp 187 



Chrysodomus tabulatus var. colmaensis, n. var 188 



Chrysodomus tabulatus (Baird) 189 



Tritonofusus fortunasensis, n. sp 189 



Tritonofusus riversi, n. sp 190 



Volutopsius eurekaensis, n. sp 190 



Boreotrophon fleenerensis, n. sp 191 



Argobuccinum arnoldi, n. sp 192 



Argobuecinum scotiaense, n. sp 192 



Drillia fleenerensis, n. sp 193 



Drillia mereedensis, n. sp 194 



Description of Localities 195 



Explanation of Plates 196 



INTRODUCTION 



Although the Pliocene system appears to be well represented along 

 the middle and northern coast region of California by several series 

 of marine sediments, some of which are abundantly f ossiferous, the 

 palaeontological correlation of these formations has not been entirely 



