696 APPENDIX.—KEITH, MAKDOUGALL BRISBANE, AND NEILL PRIZES. 
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 1874-75 and 
1875-76, whether they may have been given in with a view to the Prize or not. 
Ill. NEILL PRIZE. 
The Council of the Royal Society of Edinburgh having received the bequest 
of the late Dr Patrick Neiuu 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 Netti Prize, consisting of a Gold Medal and a sum of Money, will 
be awarded during the Session 1877-78. 
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 1877,—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. 
AWARD OF THE KEITH . PRIZE. 
Keith Prize for the Biennial Period, 1873--75, was awarded to Professor 
Crum Brown for his researches on the Sense of Rotation, and on the Anatomical 
Relations of the Semicircular Canals of the Internal Ear. 
