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THE KEITH, BRISBANE, AND NEILL PRIZES. 
The above Prizes will be awarded by the Council in the following manner :— 
I. KEITH PRIZE. 
The KeirH Prize, consisting of a Gold Medal and from £40 to £50 in 
Money, will be awarded in the Session 1876-77, for the “best communication 
on a scientific subject, communicated, in the first instance, to the Royal Society 
during the Sessions 1875-76 and 1876-77.” Preference will be given to a 
paper containing a discovery. 
Il. 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 1876-77, 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 1876. 
3. The Competition is open to all men of science. 
