KKCORDS. 141 



purchased, witli a view to securing to the Journal a wider circula- 

 tion." 



The above was voted. Tlie President appointed on this com- 

 mittee Professors E. L. Mark, \V. T. Sedgwick, A. Hyatt. The 

 Publication Committee submitted the following report: — 



"The Committee on the Publication of Papers read before the 

 Society rejjorts that the publication bv the Society of such 

 papers is undesirable. 



" The committee is of opinion that any valuable communica- 

 tion can readilv obtain publication tlirough some of the existing 

 journals. 



" H. Newell Martin, 



" Chairman of Cofntniitee." 



This report was accepted, and it was voted that the Society 

 deems it unadvisable to undertake at present any particular sys- 

 tem for the publication of papers. 



SIXTH SESSION. 



Thursday, December 29, p-.m. 



A paper on " Instructioti in Mineralogy and Structural Geology 

 in the Massachusetts Institute of Technology," by Professor \V. 

 O. Crosby, was communicated by Professor \V' illiam T. Sedgwick. 



Professor George H. Williams read a paper on " The Educa- 

 tional Value of Micropetrography." 



A new American Lithological Microscope was displayed and 

 described by Professor George H. Williams. 



The Auditing Committee presented the following report, which 

 was accepted : — 



