xiv Prizes for Essays and Reports. 



7. EflFect of elevation on temperature and lateness of harvest, with 



the highest level for the growth of corn in different latitudes. 



8. Effect of climate on the growth of grass, the different kinds of 



corn and roots, fruit and timber trees. 



9. The situations in Great Britain and Ireland proved by experi- 



ence to be best suited for each kind of agricultural produce 

 and stock. 

 10. How far it is desirable to adopt the regular four-course arable 

 system on the western sides of England and Ireland, the same 

 being naturally fitted for the spontaneous growth of grass. 

 N.B. It is not expected that competitors should necessarily 

 answer the whole of these questions, which in the 

 present state of agricultural meteorology would be 

 unreasonable to require. 



VIII. Destruction of Wireworm. 



Fifty Sovereigns will be given for the best Essay on the Destruc- 

 tion of the Wireworm, provided the proposed remedy be founded on 

 practical grounds. 



These Essays must be sent to the Secretary, at 12, Hanover Square, London, 

 on or before March \st, 1850. 



*^* Contributors 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 contained in Prize Essays shall be founded on experi- 

 ence or observation, and not on simple reference to books 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 



* Competitors are requested to write their motto on (lie Paper on which their names 

 are written, as well as on the envelope. 



