Prizes for Essays and Reports. 
Iv'ii 
RULES OF COMPETITION EOR PRIZE ESSAYS. 
1. All information contained in Prize Essays shall be founded on experience 
or observation, and not on simple reference to books or other sources. Com- 
petitors are requested to use foolscap or large letter paper, and not to write on 
both sides of the leaf. 
2. Drawings, specimens, or models, drawn or constructed to a stated scale, 
shall accompany writings requiring them. 
3. All competitors shall enclose their names and atldi'esscs in a sealed cover, 
on which only their motto, the Subject of their Essay, and the number of that 
subject in the Prize List of the Society, shall be written.* 
4. The President or Chairman of the Council for the time being shall open 
the cover on which the motto designating the Essay to which the Prize has 
been awarded is written, and shall declare the name of the author. 
5. The Chairman of the Journal Committee shall alone be empowered to 
open the molto-paper of any Essay not obtaining the Prize, that he may think 
likely to be useful for tlie Society's objects ; with a view of consulting the 
writer confidentially as to his willingness to place such Essay at the disposal 
of the Journal Committee. 
6. The copyright of all Essays gaining Prizes shall belong to the Society, 
who shall accordingly have the power to publish the whole or any part of such 
Essays ; and the other Essays will be returned on the application of the 
witers ; but the Society do not make themselves responsible for their loss. 
7. The Society are not bound to award a prize imless they consider one of 
the Essays deserving of it. 
8. In all reports of experiments the expenses shall be accurately detailed. 
9. The imperial weights and measures only are those by which calculations 
are to be made. 
10. No prize shall be given for any Essay which has been already in print. 
11. Prizes may be taken in monej' or plate, at the option of the successful 
candidate. 
12. All Essays must be addressed to the Secretary, at the house of the 
Society. 
* Competitors are requested to write their motto on the enclosed paper on which 
their names are written, as well as on the outside of the envelope. 
VOL. XX. 
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