673 



Page. 



Resolution ; Report 603,667 



Vacancies filled r^r 663 



Michaux Grove, Committee on the 278 



Resolution in regard to 334 



No. 90 Proceedings laid on the table 381 



No. 98 Proceedings laid on the table • • 383 



Publication Committee. Davenport, S. S 662 



Sinclair's Contract. Plates of Prof. Cope * 663 



Standing Committees appointed 182,384 



Treasurer's Reports • • . . . 231, 384 



Use of the Hall granted to the Commissioners of the Geological Survey . . 281 

 Wootcns application for Premium 288 



Wrilten Communications in the Proceedings. 

 Allen, C. 



Contributions to the Physical Geography of the United states 61 



Anthon, C. E. 



On a Silver Louis of Fifteen Sous, struck under Louis XIV, for 



circulation 281, 293 



ASHBURNER, ChARLES A. 



A measured section of the Palaeozoic Rocks of Central Pennsj'lvania, 

 from the top of the Allegheny River Coal Series, down to tlie Tren- 

 ton Limestone 391,519 



Blasius, W. 



A Brief Discussion of some opinions in Meteorology 198 



Blodget, Lorin 



Remarks suggested by Mr. Blasius's paper on same "Opinions in 



Meteorology." 205 



Briggs, Robert 



The flow of water through an opening in a pierced plate 310 



Britton, J. Blodget. 



Improved mounted Burettes for the Volumetric Analysis 192 



American condensed Peat. Experimental tests to determine its value 

 for Blast and Puddling Furnace use 656 



Carll, John F. 



Oil Well Records, selected from the collections of Mr. J. F. Carll . . . 346 

 On the First Systematic Collection and Discussion of the Venango 

 County Oil Wells of Western Pennsylvania. By E. S. Nettleton, 



C. E. Prepared and communicated by J. F. Carll 383, 429 



Part of a Report by J. F. Carll, describing the success and method of 

 his efforts to regulate and harmonize the R. R. and Oil Well levels 

 above tide in Northwestern Pennsylvania 067 



Chase, P. E. 



Nebular Action in the Solar System 184 



A note on Suggestions of Cosmical and Kinetic Harmony by Profs. 

 Alexander, Pierce, Lovering and others, and on some mathemati- 

 cal principles involved 2S1 



On some Fundamental Propositions of Central Force 298 



On Centres of Aggregation and Dissociation 490 



Cope, E. D. 



A Continuation of Researches among the Batrachia of the Coal 



Measures of Ohio 386, 573 



On a Dinosaurian from the Triasof Utah 579 



On a New Proboscidian 584 



On the Brain of Coryphodon 616 



