CONTENTS 



Impressions Made by Bubbles, Rain-drops, and Other Agen- 

 cies. By W. H. Twenhofel - ) - 359-372 



Syngenetic Origin of* Concretions in Shale. By W. A. Tarr 373-384 



Some Conclusions in Regard to the Origin of Gypsum. By 



Frank A. Wilder 385-394 



On Metamorphism in Meteorites. By George P. Merrill - - 395-416 



Solitario Uplift, Presidio-Brewster Counties, Texas. By Sid- 

 ney Powers - - 417-428 



Increased Oceanic Salinity as One Cause of Increased Cli- 

 matic Contrasts. By Stephen S. Visher ----- 429-436 



Sweet Grass Hills, Montana. By James F. Kemp and Paul 



Billingsley 437-478 



Index to Volume 32 - - C - - . - 479-488 



Title-page, Contents, etcetera, of Volume 32 i-xviii 



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