THE 
ee PROCEEDINGS 
OF THE 
ROYAL DUBLIN SOCIETY. 
Vou. II. (New Series). JANUARY, 1880. Parr Divi 
CONTENTS. : 
Page 
XXXV. On the Maximum Tension of Vapours near Curved Liquid 
Surfaces. By Gro. Fras, Fitzcuranp, M.A., F.T.C.D., 243 
XXXVI. On the Occurrence of Microcline Feldspar in the Dalkey 
Granites. By J.P. O'Remuzy, C.E.,M.R.LA. With 
Plate 15, s : . 246 
XXXVII. Arklow Beach and Rivers. By G. H. Kin seers M.R.LA,, 
&e. With Plates 16, 17, and 18, x 250 
XXXVIII. A Problem for Irish Geologists in Post-Glacial Feet 
By T. Meriarp Reape, C.E., F.G.S., F.R.LB.A. 
With Plate ]9, . Maes ee 255 
XXXIX. Notes on the Annual atau of aan Rivers ; 
‘with Indications of Some New Methods of Calculation. 
By Rev. Samuren Haveuron, M.D., D.C.L., F.BS,, . 259 
XL. Notes from the Physical Laboratory of the Royal College 
of Science for Ireland. By W. F. Barrer, Professor 
of Physics, Royal College of arses Ireland, F.R.S.E. 
(Woodcut Illustrations), > aed | 
XLI. On the Suppression of Induction Clamour in BENE 
By W. F. Barrert, Professor of Physics, Royal College 
of Science, Ireland, F.R.S.E. (Woodent illustrations), 277 
The Authors alone are responsible for all opinions expressed in thei communications. 
DUBLIN: 
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PRINTERS TO THE QUEEN’S MOST EXCELLENT MAJESTY. 
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stig. 
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1880, %p, 
