IRogal IBublin Socittg. 



FOUNDED, A.D. 1781. INCOEPORATED 1749. 



SCIENTIFIC MEETINGS. 



The Scientific Meetings of the Society are usually held at 4.15 p.m. on the fourth 

 Tuesday of every month of the Session (November to June). 



The attention of authors is directed to the following extracts from the regula- 

 tions governing the presentation of communications at Scientific Meetings of the 

 Society, and the publication of papers in the Scientific or Economic Proceedings : — 



" An author who desires to present a communication at a Scientific 

 Meeting of the Society shall furnish to the Chief Executive Officer for 

 Science a fortnight previous to that meeting the title and an abstract (not 

 exceeding 200 v/ords) of his communication, together with an estimate of 

 the time required for presentation. 



" An author who desires to have a communication published forthwith 

 as a paper in the Proceedings of the Society shall furnish to the Chief 

 Executive Officer for Science the full text and necessary illustrations at 

 least a week before the meeting of the Committee of Science at which 

 he desires publication to be considered. Meetings of the Committee of 

 Science are usually held on the second Tuesday of each month from 

 November to June inclusive. 



" A paper may be published either in the Scientific Proceedings or the 

 Economic Proceedings of the Royal Dublin Society, as directed by the 

 Committee of Science. The copyright of papers so published shall be the 

 property of the Society. 



" Fifty copies of each paper shall be supplied free of cost to the Author 

 or Authors. 



" Additional copies may be obtained at Cost Price if applied for by the 

 Author when returning the proofs." 



Authors are requested to apply to the Chief Executive Officer for Science for 

 further information concerning the preparation of papers and illustrations for 

 press. 



SCIENTIFIC PllOOEEDINGS. 



VOLUME XVII. 



1. Experiments on the Electrification produced by Breaking up Water, with 

 Special Application to Simpson's Theory of the Electricity of Thunder- 

 storms. By Professor J. J. Nolan, m.a., d.sc, and J. Enright, b.a., m.so., 

 University College, Dublin. (June, 1922.) 



2. Cataphoresis of Air-Bubbles in Various Liquids. By Thomas A. McLaughlin, 



M.so., A. INST. p., University College, Galway. (June, 1922.) 



3. On the Aeration of Quiescent Columns of Distilled Water and of Solutions of 



Sodium Chloride. By Professor W. E. Adeney, a.r.c.sc.l, d.sc, f.i.c. ; 

 Dr. a. G. G. Leonard, f.r.o.sc.i., b.sc, f.i.c. ; and A. Riohaedson, 

 a.r.o.so.i., a. I.e. (June, 1922.) 



[Continued on p. 3 of coven 



