VI CONTENTS TO VOLUME XXIII 



PAGE 



Contributions to the Petrography oe Java and Celebes. Joseph 



P. Iddings and Edward W. Morley 231 



Trimerorhachis, a Permian Temnospondyl Amphibian. S. W. 



Williston 246 



The Geology oe Limestone Mountain and Sherman Hill in Hough- 

 ton County, Michigan. E. C. Case and W. I. Robinson . . 256 



Summaries op Pre-Cambrian Literature of North America for 



1909, 1910, 1911, AND Part of 1912. HI. Edward Steidtmann 261 



Discovery of the Normanskill Graptolite Fauna in the Athens 



Shale of Southwestern Virginia. S. L. Powell .... 272 



Reviews 282 



NUMBER IV 



The Evolution of Herbaceous Plants and Its Bearing on Certain 

 Problems of Geology and Climatology. Edmund W. Sinnott 

 and Irving W. Bailey 289 



Post-Cretaceous History of the Mountains of Central Western 



Wyoming, Part III. Eliot Blackwelder 307 



The Geology of Central Minas Geraes, Brazil. Part I. E. C. 



Harder and R. T. Chamberlin 341 



Reviews 379 



NUMBER V 



The Geology of Central Minas Geraes, Brazil. Part II. E. C. 



Harder and R. T. Chamberlin 385 



The Strength of the Earth's Crust. VIII. Physical Conditions 



Controlling the Nature of Lithosphere and Asthenosphere 



(Section A). Joseph Barrell 425 



The Buried Rock Surface and Pre-Glacial River Valleys of 



Minneapolis and Vicinity. E. K. Soper 444 



Summaries of Pre-Cambrian Literature of North America for 



1909, 1910, 1911, AND Part of 1912. IV. Edward Steidtmann . 461 

 Reviews 477 



NUMBER VI 



Some Events in the Eogene History of the Present Coastal 

 Area of the Gulf of Mexico in Texas and Mexico. E. T. 

 Dumble 



