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FOUNDED, A.D. 1731. INCORPORATED, 1749. 



EVENING SCIENTIFIC MEETINGS. 



The Scientific Meetings of the Society are usually held at 4-15 p.m. 

 on the third Tuesday of every month of the Session (Novemher to 

 June). 



Authors desiring to read Papers before the Society are requested 

 to forward their Communications to the Registrar of the Royal Dublin 

 Society at least tea days prior to each 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. 



DVHL1N : PRINTED AT THE UNIVERSITY PRESS BY PON80NHY AND GIUBS 



