The Fournal of Geology 
Vol. XXI CONTENTS FOR OCTOBER-NOVEMBER 1913 
DIASTROPHISM AND THE FORMATIVE PROCESSES. I. - - -  - - =  T. C. Caawperuiy 
THE PRIMITIVE STRUCTURE OF THE MANDIBLE IN AMPHIBIANS AND REPTILES S. W. Waist ne 
FOSSIL FEATHERS AND SOME HERETOFORE UNDESCRIBED FOSSIL BIRDS- - - R. W. Suurexpr 
THE VOLCANOES AND ROCKS OF PANTELLERIA -  - - - - - - Henry S. Wasmveron 53 
LOG OF WELL OF PENNSYLVANIA SALT COMPANY, DETROIT, MICH. - - - - Winx Fry 7 
REVinWs): 002) Gas ule ess CN Ne eee 
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