544 



[Oct. 15, 



Chicago; California Academy of Sciences; Observatorio Na- 

 cionale Argentino, Buenos Ayres; Observatorio do Rio de 

 Janeiro. 



Photographs for the Society's Album were received from 

 the following members: Charles A. Ashburner, Philadelphia; 

 Thomas M. Drown, Boston; Thomas H. Dudley, Camden; 

 Wm. W. Keen, Philadelphia; John M. Maisch, Philadelphia. 



The following deaths of members at Philadelphia were an- 

 nounced: Dillwyn Parrish, September 18th, 1886, aged 77 

 years; James E. Ludlow, September 20th, 1886, aged 62 

 years ; and, on motion, the President was authorized to ap- 

 point suitable persons to prepare the usual obituary notices. 



Dr. Charles A. Oliver read a paper on "Subjective After- 

 Color " (Complementary Color). 



Dr. Daniel G. Brinton read a paper on " Ikonomatic No- 

 menclature." 



Mr. Thomas H. Dudley read a paper, " Is there reciprocity 

 in trade and the consumption of manufactured commodities? " 



Prof. E. D. Cope presented a paper, " A systematic list of 

 the North American species of Bufo and Raua, with descrip- 

 tions of some new species of Batrachia from the specimens in 

 the National Museum." 



Pending nomination No. 1113 was read, and the Society 

 was adjourned by the President. 



Stated Meeting, October 15, 1886. 



Present, 15 members. 



President, Mr. Fraley, in the Chair. 



Prof. Benjamin Sharp, M.D., a newly-elected member, was 

 presented to the Chair and took his seat. 



Letters of envoy were received from the Zoological Society 

 of London; University of Illinois; U. S. Geological Survey, 

 Washington, D. C. ; Hamilton Association, Canada ; Harvard 

 College Observatory. 



