APPENDIX. — KEITH, MAKDOUGALL-BRISBANE, AND NEILL PRIZES. 689 



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 1887-88 and 

 1883-84, 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 Patrick 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 Prize, consisting of a Gold Medal and a sum of Money, will 

 be awarded during the Session 1888-89. 



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 1st May 1888, — 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. 



