THE 



SCIENTIFIC PROCEEDINGS 



OF THE 



ROYAL DUBLIN SOCIETY. 



Vol. XV. (U.S.), No. 49. AUGUST, 1920. 



AWARD OF THE BOYLE MEDAL 



TO 



PROFESSOR JOHN A. McCLELLAND, M.A., D.Sc, F.R.S. 



(University College, Dublin). 

 1917 



'^(Wiwnfan fog 



WAR 5#ff 



DUBLIN: 

 PUBLISHED BY THE ROYAL DUBLIN SOCIETY, 



LEINSTElt HOUSE, DUBLIN. 



WILLIAMS AND NORGATE, 



U, HENRIETTA STREET, -GOVENT GARDEN LONDON, W.C. 2. 



. '.. -,. 1920. 



Price Sixpence. 



