CONTENTS 



Page 

 Precambrian Sedimentary Rocks in the Highlands of Eastern 



Pennsylvania. By Edgar T. Wherry 375-392 



Fluorspar in the Ordovician Limestone of Wisconsin. By Rufus 



Mather Bagg - - - "- 393-398 



Adirondack Anorthosite. By William J. Miller 399-462 



Field Relations of Litchfieldite and Soda-Syenites of Litchfield, 



Maine. By Reginald A. Daly 463-470 



Separation of Salt from Saline Water and Mud. By E. M. 



Kindle - - . 471-488 



Subsidence and Reef-encircled Islands. By W. M. Davis - - 489-574 



Ages of Peneplains of the Appalachian Province. By Eugene 



Wesley Shaw 575-586 



Oolites in Shale and Their Origin. By W. A. Tarr - - - 587-600 



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