Monpbay EVENING, APRIL 2187, 1879. 
Section I—Physical and Experimental Scienc>. 
(With which the “ Dublin Scientific Club” is associated.) 
The Right Hon. the Earl of Rosss, F.R.s., V.P., in the Chair. 
The following Communications were laid before the Section :— 
Professor J. E. Reynoups, m.p.—‘ On a Modification of Dr. Andrews’ 
Apparatus for the Liquefaction of Gases.” 
C. R. C. Tichzorng, L1.D., F.c.s.—‘‘ On some New Lecture Experiments 
to illustrate the Dissociation of Salts.” 
Howarp Gruss, M.£.—-‘‘ Improvements in Equatorial Telescopes.” 
WentwortH Erck, u.p.—Exhibited a new form of Pump, without 
Valves, for lifting Corrosive Liquids. 
Tlowarp Gruss, M.E.—Exhibited an Eight-inch Equatorial Refractor, 
made for Cork Observatory, and some Vacuum Tubes, in illustration 
of Mr. Crooke’s recent. Ex}riments in Molecular Physics. 
Section IT.—Nautural Science. 
(With which the ‘ Royal Geological Society of Ireland” is 
associated. ) 
The Rev. M. H. CLoss&, M.A., in the Chair. 
The following Communications were laid before the Section :— 
G. H. Kryanan, M.R.1.4.—“ On the Dingle Beds and Glengariff Grits.” 
(Proceedings, Vol. II., Part III.) 
V. Batu, F.c.s.—‘‘ On the Coalfields and Coal production of India. 
J. T. Boot, F.x.G.8.1.—Exhibited a section of a new Colliery in Not- 
tinghamshire, sunk through the Magnesian Limestone. 
R.D.S. Minutes. { 3 ] 
