LELAND STANFORD JUNIOR UNIVERSITY PUBLICATIONS 

 UNIVERSITY SERIES 



ACCELERATION 



OF DEVELOPMENT IN FOSSIL 



CEPHALOPODA 



BY 



JAMES PERRIN SMITH 



PROFESSOR OF PALEONTOLOGY 



WITH FIFTEEN PLATES 



(ISSUED APRIL 14, 1914) 



STANFORD UNIVERSITY, CALIFORNIA 



PUBLISHED BY THE UNIVERSITY 



1914 



