638 f Jan. 19, 



Stated Meeting^ Jan. 19, 1883. 



Present, 8 members. 



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



Dr. Pepper by letter, Jan. 8, accepted his appointment to 

 prepare an obituary notice of Dr. J. F. Meigs. 



Dr. Muhlenberg, by letter of same date, accepted his ap- 

 pointment to prepare an obituary notice of the Eev. Dr. 

 Krauth. 



A photograph of Admiral J. Downes, for the Album, was 

 received. 



Donations for the Library were reported from the Royal 

 Academy, Brussels ; Flora Batava ; Annales des Mines ; 

 Commercial Geographical Society, Bordeaux ; Royal Geologi- 

 cal Society and London Nature ; Canadian Institute ; Essex 

 Institute ; Museum of Comparative Zoology and Peabody 

 Museum ; American Journal of Medical Science ; American 

 Journal of Pharmacy ; Mr. Henry Phillips, Jr. ; Ohio 

 Mechanical Institute ; T. L. Campbell ; and the American 

 Antiquarian Society. 



The death of Dr. W. H. Allen, President of Girard Col- 

 lege, August 29, 1882, aged 74, was ordered to be inserted 

 in the minutes. 



Prof. P. E. Chase communicated " Photodynamic ISTotes, 

 No. YII." 



Mr. Lesley communicated a Memorandum of the Progress 

 of the Second Geological Survey of Pennsylvania, from the 

 beginning, by Counties alphabetically arranged. 



Prof. Barker exhibited and explained his new Standard 

 Cell for testing potentials of electricity. 



Dr. Frazer exhibited and described a collection of rock 

 specimens from St. Davids and elsewhere in Great Britain, 

 with special regard to their likeness to certain rocks irk 

 Pennsylvania. 



