French National Injlituie 1 . 97 



T'hefe famples of earth and pottery will be received till 

 the firft day of Meffidor, the year 7 (June 184 1799). 



The Inftitute in its fitting of Vendemiaire 5th (Sept. 27) 

 will proclaim the piece which fhall have gained the prize. 



Fourth Prize. To difcover by accurate experiments what 

 15 the influence of the atmofpheric air, light, water, and 

 earth, on vegetation. 



The prize is a gold medal of the value of a kilogramme* 

 The works will not be received till the laft day of Frimaire 

 the 8th year (December 21, 1799), and the Inftitute will 

 proclaim the piece which has gained the prize in its public 

 fitting of Germinal 15, (April 4, 1800). 



Clafs of the Moral end Political Sciences. 



This clafs has propofed for the fubjedt of the prize of the 

 6th year, the following queftion : 



To determine the influence of figns on the formation of 

 ideas. 



The pieces received on this fubjett not having anfwered 

 the conditions of the queftion, though feveral of them con- 

 tained interefting refearches, the clafs propofes again the 

 fame fubject for the 7th year, and invites to the competition 

 thofe, above all, whofe firft efforts have merited its attention. 



The prize will be 5 hectogrammes of gold (truck into a 

 medal. It will be delivered out in the public fitting of the 

 15th of Nivofe, the 9th year (January 4, 1801). 



The works will not be received until the 15th Nivofe of 

 the 7th year (January 4, 1799). 



The learned of all countries, the members and aflbciates 

 of the Inftitute excepted, are admitted to this competition. 



Among the great number of authors who at all times have 

 employed themfelves on the human underftanding, there are 

 a few only who have paid attention to the means which might 

 augment or direct its powers. Engaged only in refearches 

 refpecting its caufes, or occupied with defcribing its effects, 

 they have for the moft part been only able painters or obfcure 

 metaphyficians. 



Vul. h H On 



