514 



SCIENCE 



[N. S. Vol. XLI. No. 1057 



' ' Can U-shaped Valleys be Produced by Removal 

 of Talus?" by Alfred C. Lane (by title). 



"On the Origin of Monk's Mound," by A. R. 

 Crook. 



' ' Physiographic Studies in the Drif tless Area, ' ' 

 by Arthur C. Trowbridge (by title). 



"Heiaicones at the Mouths of Hanging Val- 

 leys," by Charles E. Decker (by title). 



"Block Diagrams of State Physiography," by 



A. K. Lobeck (by title). 



" Pre-Cambrian Igneous Rocks of the Pennsyl- 

 vania Piedmont," by F. Bascom (by title). 



"Magmatio Assimilation," by P. Bascom (by 

 title). 



"Hypersthene Syenite (Akerite) of the Middle 

 and Northern Blue Ridge Region, Virginia," by 

 Thomas L. Watson and Justus H. Cline (by title). 



"Pyrrhotite, Norite and Pyroxenite from Litch- 

 field, Connecticut," by Ernest Howe. 



"Some Effects of Pressure on Rocks and Min- 

 erals, ' ' by John Johnston. 



"Primary Chalcocite in the Fluorspar Veins of 

 Jefferson County, Colorado, ' ' by Horace B. Patton. 



"Recent Remarkable Gold 'Strike' at the 

 Cresson Mine, Cripple Creek, Colorado, ' ' by Horace 



B. Patton. 



"Platinum-gold Lode Deposit in Southern Ne- 

 vada," by Adolph Knopf. 



"Organic Origin of Some Mineral Deposits in 

 Unaltered Paleozoic Sediments," by Gilbert van 

 Ingen. 



"Type of Rifted Relict Mountain, or Rift- 

 Mountain," by John M. Clarke. 



"Evidence of Recent Subsidence on the Coast of 

 Maine," by Charles A. Davis. 



"Basic Rocks of Rhode Island: Their Corre- 

 lation and Relationships," by A. C. Hawkins and 



C. W. Brown. 



"Acadian Triassio, " by Sidney Powers. 



' ' Geological History of the Bay of Fundy, ' ' by 

 Sidney Powers. 



"Alexandrian Rocks of Northeastern Illinois 

 and Eastern Wisconsin," by T. E. Savage. 



"Olentangy Shale and Associated Deposits of 

 Northern Ohio," by Clinton R. Stauffer (by 

 title). 



"Diastrophie Importance of the Unconformity^ 

 at the base of the Berea Sandstone in Ohio," by 

 H. P. Gushing. 



" Kinderhookian Age of the Chattanoogan 

 Series," by E. O. Ulrich. 



"Origin of the Iron Ores at Kiruna, Sweden," 

 by Reginald R. Daly (by title). 



' ' Origin of the Rocky Mountain Phosphate Do- 



posits — Preliminary Statement," by Eliot Black- 

 welder (by title). 



"Regional Alteration of Oil Shales," by David 

 White (by title). 



"Oil Pools of Southern Oklahoma and North- 

 ern Texas," by James H. Gardner. 



"Natural Gas at Cleveland, Ohio," by Frank 



E. Van Horn. 



"Origin of Thick Salt and Gypsum Deposits," 

 by E. B. Branson. 



"Crystalline Marbles of Alabama," by Wm. 



F. Prouty (by title). 



"Devonian of Central Missouri," by E. B. 

 Branson and D. K. Greger. 



' ' Olentangy Shale of Central Ohio and its 

 Stratigraphic Significance, ' ' by Amadous W. 

 Grabau. 



' ' Hamilton Group of Western New York, ' ' by 

 Amadeus W. Grabau. 



"Extension of Morrison Formation into New 

 Mexico," by N. H. Darton (by title). 



"Geological Reconnaissance of Porto Rico," by 

 Charles P. Berkey. 



"Relation of Cretaceous Formations to the 

 Rocky Mountains in Colorado and New Mexico," 

 by Willis T. Lee. 



' ' Post-Ordovician Deformation in the St. Law- 

 rence Valley, N. Y. " by George H. Chadwick. 



The annual dinner of the society was held on 

 the evening of December 30 and was attended by 

 140 of the members of the society and their 

 friends. E. O. Hovey acted as toastmaster and 

 the speakers of the evening were Messrs. W. Lind- 

 gren, H. F. Osborn, C. D. Waleott, C. R. Van 

 Hise, W. W. Atwood and F. R. Van Horn. 



In addition to the hospitality offered by the 

 Academy of Natural Sciences, the Fellows of the 

 society resident in Philadelphia entertained the 

 Geological and Paleontologieal Societies and their 

 friends at luncheon each day of the meeting and 

 at a smoker given on the evening of the first day, 

 at the close of the reading of the presidential ad- 

 dress. 



The officers elected for the year 3915 were 

 Arthur P. Coleman, president; L. V. Pirsson, first 

 vice-president; H. P. Gushing, second vice-presi- 

 dent; Edward O. Ulrich, third vice-president; 

 Edmund Otis Hovey, secretary; Wm. Bullock 

 Clark, treasurer; J. Stanley-Brown, editor, and 

 Frank R. Van Horn, librarian. 



The next meeting of the society will be held at 

 Washington, D. C, December 28-30, 1915. 



Edmund Otis Hovey, 



Secretary 



