xiil 
Monpbay EVENING, JUNE 16TH, 1879. 
Sections I. and IIT. —Physical and Experimental Science, and 
Applied Science. 
(With which the ‘‘ Dublin Scientific Club” is associated.) 
G. JOHNSTONE STONEY, M.A., F.R.S., in the Chair. 
The following Communications were laid before the Section :— 
G. F. FitzGreratp, M.A., F.T.c.D.—“ On the Maximum Tension of 
Vapours in contact with Curved Liquid Surfaces.” 
G. F. FrrzGerap, ™.a., F.7.c.D.—“ On the Rays seen emerging from 
bright objects when viewed with half-closed eyes.” 
W. F. Barrett, F.R.s.E.—‘ On the Suppression of Induction Clamour 
in Telephonic Circuits.” 
W. F. Barrett, rF.r.s.e.—‘On Hughes’ Induction Balance, and its 
recent applications.” 
Ricuarp J. Moss, F.c.s.—“‘ On an Automatic Apparatus for washing 
Precipitates with Hot Liquids.” 
G. JOHNSTONE STONEY, M.A., F.R.S.—“ Useful Metric Equivalents.” 
G. JoHNSTONE STONEY, M.A., F.R.S.—‘ Tricycle Gearing.” 
G. JounsTonE STONEY, M.A., F.R.S.—“ Report on the Progress of Science 
—-Prof. Avbe’s Researches on the Resolving Power of Microscopes.” 
Section II —Natural Science. 
(With which the “ Royal Geological Society of Ireland” is 
associated.) 
Professor E. HULL, LL.D., F.R.S., in the Chair. 
The following Communications were laid before the Section:— 
T. Metuarp Reape, F.G.s.—“ A Problem for Irish Geologists in Pcs’ 
Glacial Geology.” 
Rev. Dr. Hauauron, F.R.s.— Further Observations on the Water. 
discharge of Great Rivers ; based on Mr. Revy’s Law of the Variation 
of Mean Velocity with the Depth.” 
G. H. Kinanay, u.r.1.4.—“ On Arklow Harbour.” 
J. P. O'REILLY, C.E., M.R.1.4.—‘* On the occurrence of Microcline Felspar 
in the Dalkey Granites.” 
