CONTENTS 



Pages 

 Repeating Patterns in the Relief and in the Structure of the Land. 



By William Herbert Hobbs -.-..- 123-176 



Pre-Glacial Course of the Upper Hudson River. By William J. 



Miller - - - 177-186 



Aggraded Limestone Plains of the Interior of Bahia and the Climatic 



Changes Suggested By Them. By J. C. Branner - - 187-206 



Aftonian Mammalian Fauna II. By Samuel Calvin - - - 207-216 



Conference on the Faunal Criteria in Paleozoic Paleogeography. 



R. S. Bassler, Secretary - - - - - - . 217-280 



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