16 ANNUAL REPORT OF THE 



EXCURSIONS AND CONFERENCES. 



New Mica Mines near Pompton, N. J. ; Professor Wolff. 



On the Arapahoe and Denver Deposits, Colorado ; Professor Davis. 



Some of the Results of a recent Excursion to the Western United 

 States ; Dr. Albrecht Penck. 



Abstract of Gilbert's Essaj 7 on "Modification of the Great Lakes b} r 

 Earth Movement" ; Mr. J. M. Boutwell. 



The Effects of Marine Erosion on the West Coast of Norway ; Pro- 

 fessor Reusch. 



The Causes of recent Mountain-building Movements in Eastern New 

 England ; Professor Shaler. 



Gold Mining in the Ural Mountains ; Dr. Charles Palache. 



The Middle Devonian Faunas of Western New York ; Mr. A. W. 

 Grabau. 



The Crushing of Rocks by Glacial Action ; Mr. J. B. Woodworth. 



The Spring Excursion to New Jerse}- ; Mr. J. E. Woodman. 



Review of Geikie's Ancient Volcanoes of Great Britain ; Dr. Jaggar. 



Glacial River Channels of Western New York; Mr. M. S. W. Jef- 

 ferson. 



Remarks on a copy of the German Edition of Vespucci's Third 

 Voyage, printed in Nuremberg by Wolfganng Huerber in 1505 ; Mr. 

 J. B. Woodworth. 



Some Recent Observations in Norwa}^ ; Mr. R. L. Barrett. 



New Lantern Views of Physiographic Features, taken during a sum- 

 mer trip across the United States and Canada ; Professor Davis. 



The Geologj' of the Dents du Midi in Switzerland ; ' Dr. G. J. 

 Pfeiffer. 



Review of Geikie's u Founders of Geology"; Mr. J. E. Wbodman. 



Death Gulch, a Natural Bear-Trap ; Dr. Jaggar. 



Some Conditions affecting Geyser Eruption. Dr. Jaggar. 



Geology of the Wamsutta Group near Attleborough Fails; Messrs. 

 H. T. Burr and R. E. Burke. 



The Classification of Lakes ; Mr. W. L. W. Field. 



De Margerie's translation of " Das Antlitz der Ercle," by E. Suess 

 (review) ; Professor Davis. 



Localized Stages in Growth ; Dr. R. T. Jackson. 



De Geer's new theory for the Origin of Eskers ; Professor Reusch. 



An Excursion in the Fassathal, Tyrol ; Dr. Eakle. 



Review of Michel-Levy's " Notes on the Puys, Monte Dore ; and the 

 Eruptions of the Limage" ; Mr. V. F. Marsters. 



Tides in the Chesapeake and Deleware Bays; Mr. M. S. W. Jef- 

 ferson. 



