Prizes for Essays and Reports. 
XV 
XI. Destruction of Wireworm. 
Fifty Sovereigns will be given for the best Essay on the Destruc- 
tion of the Wireworm. 
*,* This prize will not be awarded until tlie 1st of March, 1850, and the award 
will be founded on success by actual trial. 
TJiese Essays (with the exception of No. XI.) must be sent to the Secretary, 
at 12, Hanover Square, London, on or before March 1st, 1849. 
*,* Conti-ibutors of Papers are requested to retain Copies of their Communications, 
as the Society cannot be responsible for their return. 
RULES OF COMPETITION FOR PRIZE ESSAYS. 
1. All information containetl in Prize Essays shall be founded on experi- 
ence or observation, and not on simple reference to booivs or other sources. 
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 addresses in a sealed 
cover, on which only their motto, and 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 motto-paper of such Essays, not obtaining the Prize, as he may 
think likely to be useful for the Society's objects, with a view of consulting 
the writer confidentially as to his willingness to place such paper 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 
writers ; but the Society do not make themselves responsible for their loss. 
7. The Society are not bound to award a prize unless 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 calcula- 
tions 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 money or plate at the option of the successful 
candidate. 
12. All Essays must be addressed to the Secretary, at the house of the 
Society. 
