PROCEEDINGS 



CALIFORNIA ACADEMY OF SCIENCES 



Third Series. 

 Geology. Vol. I, No. 3. 



The 



Development of Glyphioceras and the 



Phylogeny of the Glyphioceratidse. 



BY 



James Perrin Smith. 



With Three Plates. 



Issued October 16, iSgj. 



SAN FRANCISCO: 



Published by the Academy. 



1897. 



