Roval Dublin Society. 
OI II IO 
FOUNDED, A.D. 1731. INCORPORATED, 1749. 
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EVENING SCIENTIFIC MEETINGS. 
Tur Scientific Meetings of the Society are held alternately at 4.30 
p-m. and 8 p.m. on the third Tuesday of every month of the Session 
(November to June). 
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 at least ten days prior to each Evening 
Meeting, as no Paper can be set down for reading until examined and 
approved by the Science Committee. 
The copyright of 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. and 
necessary Illustrations in a complete form, and ready for transmission to 
the Editor. 
