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THE KEITH, MAKDOUGALL-BRISBANE, NEILL, AND 

 VICTORIA JUBILEE PRIZES. 



The above Prizes will be awarded by the Council in the following manner : — 



I. KEITH PRIZE. 



The Keith Prize, consisting of a Gold Medal and from £40 to £50 in 

 Money, will be awarded in the Session 1889-90 for the " best communication 

 on a scientific subject, communicated, in the first instance, to the Royal Society 

 during the Sessions 1887-88 and 1888-89." Preference will be given to a 

 paper containing a discovery. 



II. MAKDOUGALL-BRISBANE PRIZE. 



This Prize is to be awarded biennially by the Council of the Royal Society 

 of Edinburgh to such person, for such purposes, for such objects, and in such 

 manner as shall appear to them the most conducive to the promotion of the 

 interests of science ; with the proviso that the Council shall not be compelled 

 to award the Prize unless there shall be some individual engaged in scientific 

 pursuit, or some paper written on a scientific subject, or some discovery in 

 science made during the biennial period, of sufficient merit or importance in 

 the opinion of the Council to be entitled to the Prize. 



1. The Prize, consisting of a Gold Medal and a sum of Money, will be 

 awarded at the commencement of the Session 1890-91, for an Essay or Paper 

 having reference to any branch of scientific inquiry, whether Material or 

 Mental. 



2. Competing Essays to be addressed to the Secretary of the Society, and 

 transmitted not later than 1st June 1890. 



3. The Competition is open to all men of science. 



