OF ARTS AND SCIENCES. 415 



Silas Wliitcomb Holman, of Boston, to be a Resident 

 Fellow in Class I., Section 3. 



Leonard Parker Kinnicutt, of Cambridge, to be a Resident 

 Fellow in Class I., Section 3. 



Charles Frederic Mabery, of Cambridge, to be a Resident 

 Fellow iu Class I., Section 3. 



William Henry Pickering, of Boston, to be a Resident 

 Fellow in Class I., Section 3. 



Walter Faxon, of Cambridge, to be a Resident Fellow in 

 Class II., Section 3. 



Johaun Friedrich Julius Schmidt, of Athens, to be a 

 Foreign Honorary Member in Class I., Section 2, in place of 

 the late Emile Plantamour. 



Thomas Henry Huxley, of London, to be a Foreign Hon- 

 orary Member in Class II., Section 3, in place of the late 

 Theodor Ludwig Wilhelm Bischoff. 



The following papers were presented : — 



On a Method of Observing the Occultations of Jupiter's 

 Satellites. By Edward C. Pickering. 



On an Electrical Method of Communicating Intelligence from 

 a Vessel at Sea to a Station on Shore. By Amos E. Dolbear. 



The following papers by Professor William A. Rogers were 

 presented by title : — 



Determination of the Absolute Coefficient of Expansion of 

 Bars of Copper, Bronze, and Brass. 



A New Method of Determining, from Observations of the 

 Pole Star, the Equator Point Correction of a Meridian Circle 

 at any Instant of Time. 



A New Method of Determining the Flexure of the Gradu- 

 ated Circle of a Meridian Instrument. 



Seven hundred and sixty-first Meeting. 



April 11, 1883. — Monthly Meeting. 



The Peesident in the chair. 



The Corresponding Secretary read an invitation to the 

 American Academy from the Royal Society of Canada to 

 attend their second meeting at Ottawa. 



