BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Page 



Petrified coals and their bearing on the origin of coal [ab- 

 stract] ; by E. C. Jeffrey 130 



Origin of veinlets in the limestone, shale, and gypsum beds of 

 central New York [abstract] ; by Stephen Taber 131 



Barite deposits of Missouri [abstract] ; by W. A. Tarr 132 



The magmatic sulfids [abstract] ; by C. F. Tolman, Jr., and 

 A. F. Rogers 132 



Local glaciation in the Catskill Mountains [abstract] ; by John 

 L. Rich 133 



Evidences for and against the former existence of local gla- 

 ciers in the Green Mountains of Vermont [abstract] ; by 

 James Walter Goldth wait 134 



Date of local glaciation in the White Mountains, Adirondacks, 



and Catskills [abstract] ; by Douglas W. Johnson 136 



Annual dinner 136 



Session of Thursday, December 28 137 



Report of Auditing Committee 137 



Geological education for engineers 137 



Papers, titles, and abstracts of papers presented before the morn- 

 ing session and discussions thereon 138 



Method of measuring post-Glacial time ; by W. O. Hotchkiss 138 



Post-Glacial marine submergence of Long Island [abstract] ; 

 by Herman L. Fairchild 142 



Explanation of the elevated beaches surrounding the south 

 end of Lake Michigan [abstract] ; by G. Frederick Wright 142 



Glacial formations in the western United States [abstract] ; 

 by Frank Leverett 143 



Snow arch in Tuckermans ravine on Mount Washington [ab- 

 stract] ; by James Walte]^ Goldth wait 144 



\J Records of Lake Agassiz, in southeastern Manitoba, and ad- 

 jacent parts of Ontario, Canada ; by William Alfred John- 

 ston 145 



Rock terraces in the driftless area of Wisconsin [abstract] ; 

 by Lawrence Martin 148 



Pleistocene deposits in the Sun River region, Montana [ab- 

 stract] ; by Eugene Stebinger and Marcus I, Goldman .... 149 



Large rock slide in the Wind River Mountains of Wyoming 

 [abstract] ; by E. B. Branson 149 



Saving the silts of the Mississippi River [abstract] ; by Wal- 

 lace W. Atwood and Roderick Peattie 149 



"Deeps" in the channel of the lower Susquehanna River [ab- 

 stract] ; by Edward B. Mathews 151 



New test of the subsidence theory of coral reefs [abstract] ; 

 by Reginald A. Daly 151 



Microscopic structural features of the banded glacial slate of 

 Permocarboniferous age at Squantum, Massachusetts [ab- 

 stract] ; by Robert W. Sayles 152 



Weathering of allanite [abstract] ; by Thomas L. Watson. . . 152 



