•>U0 [Oct. 17, 



Professor of Political Economy in the University of Penn- 

 sylvania, was appointed to prepare an obituary notice of the 

 deceased. 



Dr. Le Conte, on behalf of himself and others, presented 

 to the Society a portrait in oils of the late Joseph Henry, 

 copied by Mr. Ulke, of Washington, from Mr. Ulke's origi- 

 nal portrait from life, painted in 1876. 



A communication was read, entitled, "On the formation 

 of dibenzyl, by the action of ethylene chloride on benzol in 

 the presence of aluminium chloride. J3y Wm. IT. Greene." 

 (See page 345.) 



Mr. Lesley exhibited a photograph fae-simile of a contour 

 map of a region of Western Pennsylvania, extending from 

 Johnstown in Cambria County on the east and Indiana on 

 the north, to Latrobe on the south and Greensburg and 

 Saltsburg on the west, lie described its eventful history : 

 how it had been surveyed and drawn by himself, under 

 orders from the President of the Pennsylvania Railway 

 Company, for geological purposes, in 1852-3-4; lost for 

 twenty-five years; recovered without explanation in the 

 spring of 1879 ; and recently photographed in duplicate by 

 Mr. Julius P>ien, of New York, for future completion and 

 publication in the Reports of the Geological Survey. 



Pending nomination No. 885 was read and postponed, on 

 account of the absence of its nominators. 



The resolutions of Dr. Le Conte, offered May 2, and post- 

 poned from May 16, were called up for consideration and, 

 after debate, passed (with an amendment of the third reso- 

 lution), as follows : 



Resolved, That the further consideration of processes for economically 

 utilizing anthracite coal-dust be indefinitely postponed. 



Resolved, That the Committee appointed to investigate the subject be 

 discharged, and the thanks of the Society be tendered to the Committee, 

 for the industry and patience with which they have endeavored to come 

 to a decision on the subject. 



Resolved, That the prize heretofore offered by the Society for a process 

 for the economical use of anthracite coal-dust, be withdrawn. 



And the meeting was adjourned. 



