APPENDIX — KEITH, BRISBANE, NEILL, AND GUNNING PRIZES. 765 



4. The Essays may be either anonymous or otherwise. In the former case, 

 they must be distinguished, by mottoes, with corresponding sealed billets, super- 

 scribed with the same motto, and containing the name of the Author. 



5. The Council impose no restriction as to the length of the Essays, which 

 may be, at the discretion of the Council, read at the Ordinary Meetings of the 

 Society. They wish also to leave the property and free disposal of the manu- 

 scripts to the Authors ; a copy, however, being deposited in the Archives of 

 the Society, unless the paper shall be published in the Transactions. 



6. In awarding the Prize, the Council will also take into consideration 

 any scientific papers presented to the Society during the Sessions 1890-91, 

 1891-92, whether they may have been given in with a view to the prize or not. 



III. NEILL PRIZE. 



The Council of the Royal Society of Edinburgh having received the bequest 

 of the late Dr Patkick Neill of the sum of £500, for the purpose of " the 

 interest thereof being applied in furnishing a Medal or other reward every 

 second or third year to any distinguished Scottish Naturalist, according as such 

 Medal or reward shall be voted by the Council of the said Society," hereby 

 intimate, 



1. The Neill Pkize, consisting of a Gold Medal and a sum of Money, will 

 be awarded during the Session 1892-93. 



2. The Prize will be given for a Paper of distinguished merit, on a subject 

 of Natural History, by a Scottish Naturalist, which shall have been presented 

 to the Society during the three years preceding the 8th July 1892, — or failing 

 presentation of a paper sufficiently meritorious, it will be awarded for a work 

 or publication by some distinguished Scottish Naturalist, on some branch of 

 Natural History, bearing date within five years of the time of award. 



IV. GUNNING VICTORIA JUBILEE PRIZE. 



This Prize, founded in the year 1887 by Dr R. H. Gunning, is to be awarded 

 triennially by the Council of the Royal Society of Edinburgh, in recognition of 

 original work in Physics, Chemistry, or Pure or Applied Mathematics. 



