[Sept. 20, 



minutes of May IT) in which he gave Prof. Morton credil 

 for correctly quoting Dr. Sadtler's Letter. 



And the meeting was adjourned. 



Stated Meeting, September 20, 1878. 



Present, 5 members. 



Vice-President, Mr. Eli Iv. Price, in the Chair. 



Trof. Houston communicated the following notes: 



1. On a new system of Electric Lighting, in which the 

 spacks ("extra sparks") produced by interrupting feeble 

 currents are utilized for the purpose of dividing the light. 



2. On a new form of Electric Lamp, depending al^o on 

 the development of the extra-spark, instead of the continu- 

 ous arc. 



These notes embodied the results of the joint investiga- 

 tions of Prof. Thompson and himself. 



Mr. Eli K. Price read a communication entitled " Nat u re's 

 Reforesting," and offered the following resolution, which 

 was adopted : 



Resolved, That of the paper on "Nature's Reforesting" 300 extra cop- 

 ies, without cover, be printed at the expense of the Mickaux Legacy. 



The death of Mr. Henry Armitt Brown, at Philadelphia, 

 Aug. 24th, aged 33 years, was announced by Mr. Price. 



Pending nominations 857 to 870 were read. 



The following persons, on scrutiny of the ballot boxes by 

 the presiding officer, were declared duly elected members of 

 the Society. 



Hon. Carl Schurz, of Washington, D. C. 



Mr. J. B. Knight, of Philadelphia. 



Rev. Fredk. Augustus Muhlenberg, D.D. of Philadelphia. 



Dr. Elliott, Coues, U.S.A. 



Dr. A. S. Packard, Jr., of Salem, Mass. 



Mr. Joel Asaph Allen, of Cambridge, Mass. 



