ROYAL DUBLIN SOCIETY. 



HUNDRED AND FORTY -NINTH SESSION, 1879-80. 



MINUTES OF PROCEEDINGS. 



MoxDAY Evening, November 17th, 1879. 



Sections I. and III. — Physical and JExperionental Science, and 

 Applied Science. 



("With which the " Dublin Scientific Club " is associated.) 



W. F. Barrett, f.r.s.e., in the Chair. 



The following Communications were laid before the Section: — • 



G. F. Fitzgerald, f.t.c.d. — " On the possibility of originating Wave 

 Disturbances in the Ether by means of Electric Forces." 

 (Transactions, Yol. I., Part X.) 



R. J. MosSj F.c.s. — " Note on some points in the Analyses of Commer- 

 cial Superphosphates." 



G. Johnstone Stoney, d.sc, f.r.s. — " Report on the Progress of Science 

 — Professor Henry Newton's Researches on Cometary Astronomy." 



The following were exhibited : — 



Photographs of the Sun. (Presented to the Society by M. Janssen.) 



Photograph of a portion of the Solar Spectrum, illustrating Prof. 

 Draper's discovery of Oxygen in the Sun. (Presented to the Society 

 by W. Erck, ll.d.) 



Section II. — Natural Science. 



(With which the " Royal Geological Society of Ireland " is 

 associated.) 



Rev Dr. Haughton, f.r.s., in the Chair. 



The following Communications were laid before the Section : 



G. Ormonde Stoney, Captain 25th Regiment. — '^ On supposed Foot- 

 prints on the Surface of a Rock near Mulrany, Co. Mayo." 



Professor Hull, ll.d., f.r.s. — "Relation of the Carboniferous and 

 Devonian Formations of the South of Ireland with those of North 

 Devon." 



(Transactions, Vol. I., Part XI.) 

 R.D.S. Minutes. L * ] 



