Itoijal iBubliu Society, 



FOUNDED, A.D. 1731. INCORPOEATED, 1749. 



EVEKING SCIENTIFIC MEETINGS. 



The Scientific Meetings of the Society are held alternately at 4.80 

 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 the Society are requested 

 to forward their Communications to the Registrar of the Royal Dublin 

 Society at least ten Jays 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 of 

 the Editor. 



