EDITORIAL; 99 
the inferences to enforce themselves. Of purely dynamical 
papers there were scarcely 5 per cent. though the dynamical 
factor was obviously a vital element in a large percentage of the 
other papers. Of papers treating of regional geology there 
were about 6 per cent. and of formational geology about 15 per 
cent. The petrological group was facile princeps, leading all 
other classes by a wide margin, and constituting nearly one-fourth 
of the whole. Glacial titles embraced one-sixth of the whole ; 
the palzontologic and the physiographic, one-twenty-fourth each ; 
while chronology and nomenclature were represented by one 
paper each. 
The over-crowded state of the program was happily relieved 
by the formation of a temporary subsection of petrology before 
which the technical petrographic papers were read, while those 
that embraced structural and dynamical phases of general interest 
were presented to the whole society. This is a precedent which 
will doubtless be followed to advantage in the future. 
The following is a list of the papers presented: 
On certain Features in the Jointing and Veining of the Lower Silurian Lime- 
stones near Cumberland Gap, Tenn. JV. S. Shaler. 
The Appalachian Type of Folding in the White Mountain Range of Inyo Co., 
Gal. C.D. Walcote. 
New Structural Features in the Appalachians. Arthur Keith. 
The Faults of Chazy Township, Clinton Co., N. Y. A. P. Cushing. 
The Formation of Lake Basins by Wind. G. A. Gzlert. 
ithevlepee Buttes 1G. Ae Gulbers andi. Ps Gulliver. 
Remarks on the Geology of Arizona and Sonora. W / McGee. 
Geology of the Highwood Mountains, Montana. Walter H. Weed and Louts 
V, Pirsson. 
Genesis and Structure of the Ozark uplift. Charles 8. Keyes. 
The Geographical Evolution of Cuba. /. IV. Spencer. 
Recent Glacial Studies in Greenland (Presidential address). 7. C. Chamberlin. 
Observations on the Glacial Phenumena of Newfoundland, Labrador and 
Southern Greenland. G. Frederick Wright. 
Highland Level Gravels in northern New England. C. 4. Hitchcock. 
Variations of Glaciers. Harry Fielding Reid. 
Discrimination of Glacial Accumulation and Invasion. Warren Upham. 
Climatic Conditions shown by North American Interglacial deposits. War- 
ren Upham. 
