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aS Roval Dublin Society. 
FOUNDED, A.D. 1731. INCORPORATED, 1749. 
Evening Scientific Meetings. 
The Evening Scientific Meetings of the Society and of the associated 
bodies (the Royal Geological Society of Ireland and the Dublin Scientific 
Club) are held in Leinster House on the third Monday in each month 
during the Session. The hour of meeting is 8 o’clock, p.m. The business 
is conducted in the undermentioned sections. 
Section I.—PuysicAL AND EXPERIMENTAL SCIENCES. 
Secretary to the Section, R. J. Moss, F.c.s. 
Section IJ.—Naturat Sciences (including Geology and Physical 
Geography). 
Secretary to the Section, R. M‘Nas, M.D. 
Section I1].—Scrence APPLIED TO THE USEFUL ARTS AND INDUSTRIES. 
Secretary to the Section, HowARD GRUBB, M.E., T.C.D. 
Authors desiring to read papers before any of the sections of the 
Society are requested to forward their communications to the Registrar 
of the Royal Dublin Society (Mr. R. J. Moss), or to one of the Sectional 
Secretaries, atleast ten days prior to each evening meeting, as no paper 
can be set down for reading until examined and approved by theScience 
Committee. 
The copyright of all papers read becomes the property of the Society, 
and such as are considered suitable for the purpose will be printed with 
the least possible delay. Authors are requested to hand in their MS. in 
a complete form and ready for transmission to the printer. 
