INDEX TO VOLUME I. 



Archean. On the Pre-Cambrian Rocks of Great Britain. Sir Archibald 



Geikie. --------- i 



Backstrom, Helge. Causes of Magmatic Differentiation. - - - 773 



Baraboo. Some Dynamic Phenomena shown by the Baraboo Ouartzite Ranges 



of Central Wisconsin. C. R. Van Hise. - - - 347 



Barbour, Edwin Ii. On a New Order of Gigantic Fossils. (Abstract). - 421 



Barker, A. S. Deep-Sea Sounding. (Abstract). - - - 207 



Bascom, F. The Structures, Origin, and Nomenclature of the Acid Volcanic 



Rocks of South Mountain. - - - - - 813 



Basic Massive Rocks of the Lake Superior Region. W. S. Bayley. - - 433,688 



Bayley, W. S. Sketch of the Present State of Knowledge concerning the 



Basic Massive Rocks of the Lake Superior Region. - - - 587 



The Basic Massive Rocks of the Lake Superior Region. - - 433, 688 



753 

 753 

 325 

 773 

 255 

 47 

 371 



Branner, John C. The Supposed Glaciation of Brazil. - 



Brazil. The Supposed Glaciation of Brazil. John C. Branner. 



Canada. On the Typical Laurentian Area of Canada. Frank D. Adams. 



Causes of Magmatic Differentiation. Helge Backstrom. 



Chamberlin, T. C. The Horizon of Drumlin, Osar, and Kame Formation. 



The Nature of the Englacial Drift of the Mississippi Basin. 

 Connecticut. Some Rivers of Connecticut. Henry B. Kummel. 



The Geological Structure of the Housatonic Valley Lying East of Mount 

 Washington. Plates V, VI, VII. Wm. H. Hobbs. - 

 Consanguinity of Eruptive Rocks. Orville A. Derby. - 



Contact between the Lower Huronian and the Underlying Granite in the Repub- 

 lic Trough, near Republic, Michigan. Henry L. Smyth. 

 Cordilleran Mesozoic Revolution. Andrew C. Lawson. 



Davis, Wm. M. Reviews, — Correlation Papers. The Newark System. I. C. 

 Russell. ... _ . 



Bodengestaltende Wirkungen der Eiszeit. Dr. Aug. Bohm. 

 The Catskill Delta in the Post-Glacial Hudson Estuary. (Abstract). 

 The Sub-glacial Origin of Certain Eskers.- (Abstract). 

 Derby, Orville A. A Study in Consanguinity of Eruptive Rocks. 

 Dissected Volcano of Crandall Basin, Wyoming. Joseph P. Iddings. 

 Drumlins. The Horizon of Drumlin, Osar, and Kame Formation. T. C. 

 Chamberlin. -------- 



Editorials. 



"The Beginning of Man and the Age of the Race." T. C. C. - 



"Man and the Glacial Epoch." R. D. S. 



Englacial Drift. T. C. C. ... 



Errors as to the Champlain Depression. T. C. C. - 

 The Geological Atlas of the U. S. G. S. J. P. I. 



The Geological Congress of the World's Congress Auxiliary. T. C. C. 

 "New England and the Upper Mississippi Basin in the Glacial Period." 

 T. C. C. ------- 



Notes on the Meetings of the Geological Society of America, of the Ameri- 

 can Association at Madison, and of the Geographical Congress at 

 Chicago. T. C. C. - - • - 



780 



597 



268 

 579 



740 

 859 

 97 

 95 

 597 

 606 



255 



845 

 198 

 521 

 200 

 296 

 88 



847 



620 



