PHILOSOPHICAL SOCIETY OF WASHINGTON. 15 



Mr. Joseph Henp^y delivered tbe first of a series of discourses 



ON ATMOSPHERIC ELECTRICITY. 



43d Meeting.. March 15, 1873. 



The President in the Chair. 

 Mr. E. FooTE read a communication 



ON a PROPOSED METHOD OP OBSERVING ASTRONOMICAL TRANSITS. 



Dr. A. J. WoEiKOFF, of St. Petersburgh, read a paper 



ON METEOROLOGY IN RUSSIA. 



(_This paper is puhlisfied in full in the Annual Report for 1872 of the Secre- 

 tary of the Smithsonia7i Institution, pp. 267-298.) 



Mr. Joseph Henry delivered a second discourse 



ON ATMOSPHERIC ELECTRICITY. 



44th Meeting. March 29, 1873. 



The President in the Chair. 



The President read a letter from General Lefroy, Governor- 

 General of the Bermudas, relating to the changes of sea-level at 

 Bermuda, and their relations to health. 



Mr. E. B. Elliott made a communication 

 ON international coinage. 



Mr. E. Frisby read a paper 



ON A GREGORIAN CALENDAR. 

 {The following is the calendar proposed by Mr. Frisby.) 



