646 



[April 6, 



Toronto ^57-60, 61-62, 67, 69, 75, 87; III, IV, V) ■ Smith- 

 sonian Institution (112) ; and Mr. Thos. C. Porter (112). 



Letters of envoy were received from the Geological Sur- 

 vey of India ; University at Lund ; Batavian Society, Rot- 

 terdam ; Oberhessischen Gesellschaft, Giessen ; and the Me- 

 teorolopjical Office, London. 



A letter of envoy, requesting exchanges, was received 

 from the Historical and Scientific Society of Manitoba, 

 Winnipeg, March 20, 1883. [See below.] 



Donations were received from the Academies at St. Peters- 

 burg, Copenhagen, Brussels, Rome, Madrid and Philadel- 

 phia ; the Royal Societies, in N. S. Wales, Victoria, Rotter- 

 dam and London ; the Royal Astronomical Society at Lon- 

 don ; the Royal Society of Antiquaries, Copenhagen ; the 

 Geological Society at Halle ; the Geological Surveys of India, 

 New York, and New Jersey ; the Geographical Societies 

 at Paris and Bordeaux ; the Historical Societies in Provi- 

 dence, Wilkesbarre and Winnipeg, Manitoba ; the Swedish 

 Bureau of Statistics ; Lund University ; Upper Hessian So- 

 ciety ; General Society of Prisons at Paris ; Observatory 

 at San Fernando; the Revista Euskara; London Nature 

 and National Review ; Boston Society of Natural History ; 

 S. H. Scudder ; H. A. Hill ; Silliman's Journal ; Franklin 

 Institute, American Journal of Pharmacy, American Journal 

 of Medical Sciences, T. Dudley, H. Phillips, Jr., H. C. 

 Lewis, Dr. J. G. Lee, P, P. Sharpies, of Philadelphia ; 

 American Chemical Journal ; F. B, Hough, of Washington ; 

 Ohio Mechanics' Institute ; National Mexican Museum. 



A letter from Mr. Moncure Robinson was received accept- 

 ing his appointment to prepare an obituary notice of Henry 

 Seybert. 



The death of Daniel B. Smith, at Germantown, March 

 29th, in the 92d year of his age, was announced by Mr. 

 Fraley ; and Prof. P. E. Chase was appointed to prepare au 

 -obituary notice of the deceased. 



Mr. Davis read a paper "On the conversion of chlorine 



