640 ^P,,.2, 



James Macfarlane, of Towanda, Penna. 



E. W. Claypole, 2d Geol. Survey, New Bloorafield, Perry 



Co., Pa. 

 Wm. H. Pancoast, M.D., of Philadelphia. 



And the meeting was adjourned. 



Stated Meeting^ Feb. 2, 1883. 



Present, 14 members. 



President, Mr. Fraley, in the Chair. 



Letters accepting membership were received from Rev. 

 Jos. May, Jan. 23, and Mr. W. M. Davis, Milestown (Phil), 

 Jan. 23. 



Letters of envoy and acknowledgment were read. 



Donations for the Library were reported from the Mining 

 Department, Melbourne ; Geographical Soc, St. Petersburg; 

 Turin Observatory ; Academia dei Lincei ; Pevue Poli- 

 tique ; Commercial Geographical Society, Bordeaux ; Royal 

 Museum of ISTatural History, Brussels ; Royal Astronomical 

 Society and Kew Observatory, London ; ]^ova Scotia Insti- 

 tute ; Massachusetts Historical Society ; Museum of Com- 

 parative Zoology ; Amer. Jour, of Science ; Meteorological 

 Observatory, Central Park, New York ; New Jersey Histor- 

 ical Society ; Franklin Institute ; H. Phillips, Jr. ; McCalla 

 & Stavely ; Amateur Naturalist (Germantown) ; American 

 Chemical Journal ; American Journal of Mathematics ; 

 Signal Service Bureau ; Q. S. National Observatory ; Engi- 

 neer Department U. S. A. 



Proceedings A. P. S. No. 112, was laid on the table. 



Dr. W. H. Pancoast was appointed to prepare an obituary 

 notice of Prof. Joseph Pancoast. 



Dr. Rothrock read a memoir on the microscopic differences 

 in woods. (See page 599.) 



After a discussion of the subject by Messrs. Price, Davis, 



