677 



Hunt, T. S. Paye. 

 On the History of Geological Opinion respecting the Metamorphic 

 Strata of the Alps 285 



Kane, T. L. 



Preliminary Communication of his views of the Sub-carboniferous 

 Formation, and the Structure of McKean Co., Pa 231 



KoNiG, G. A. 



On a Scale of Colorimetry for minerals containing Titanic Acid 383 



Lesley, J. P. 



On a List of 2,500 Station-levels in Pennsylvania, collected from Rail- 

 road and other Records by Mr. Charles Allen 182 



On three casts of an Orthis of the Trenton (Baba) Limestone found by 



Mr. Hall 211 



On the "Fonddes Mers" of M. Delesse 240 



On a Geological .Map of B. S. Lyman's Official Survey of the Island 

 of Yesso 284 



On some Experiments on mixed Anthracite and Bituminous slacks. . 288 



On Mr. Lesquereux's new discoveries in the Carboniferous Flora 



of North America 3-39, 382 



On the importance of Prof. Sadtler's Gas Analysis investigations in a 

 geological sense 303 



Price, E. K. 



On a Piece of Dry Light Wood obtained from a city well 180 



Syllabus of Lectures on Silvyculture by J. T. Rothrock 668 



Sadtler, S. p. 



Results of Recent Gas Analyses 393 



Thompson, F. 



On the Investigations of the Pennsylvnnia R. R. as to the values of 

 various signal Lights, Ac 339 



Miscellaneotis . 



Resolution in regard to the Preservation of the Collections of the Geologi- 

 cal Survey 285 



Donations of Copies of Original Antiquities from the Princeton Museum, 

 by Prof. Matile 287 



Mr. Britton's Resolution to Relieve Charitable Devises and Bequests from 



Collateral Tax 388 



Mr. Blodget's Disclaimer of any such statements and opinions respecting 

 the character and condition of the Foundations of the Masonic Temple 

 and Public Buildings as are ascribed to him by some mistake in Proc. 

 97, p. 181 382 



Joint Resolution oflFered to Congress, for a Joint Commission having for its 

 object the Scientific Exploration of the Border States of Mexico and the 

 United States 392 



Preamble and Resolutions concerning the appointment of Dr. J. L. LeConte 

 as United States Commissioner of Agriculture 395 



On supplying Prof. Draper with a set of Proceedings 663 



