£08 Ruyal Academy of Brussels. 



acotyledons, the monocotyledons, and the dicotyledons, but 

 also upon the principal orders of which the three great divi- 

 sions are composed. 



Class of Philosophy. — What is the true notion of psycology, 

 and what is the relation of this science to those which are con- 

 nected with it; — should the distinction be admitted, which 

 some of the learned have wished to establish between empiric 

 psycology and rational psycology. 



The memoirs, written in French, Latin, or German, will 

 be received until the 1st of Januarv 1825. 



ROYAL ACADEMY OF BRUSSELS. 



Prizes proposed for 1825. 



1st. What has been the state of the maritime coast between 

 Boulogne and Antwerp, from the Conquest of Caesar to the 

 present time? To indicate the great inundations of the sea 

 which this coast has experienced during the foregoing period, 

 and to ascertain what portions the sea has ingulfed which have 

 not been regained. 



2d. What are the kinds and degrees of fermentation that 

 the different species of animal excretion undergo. 



3d. The great discoveries made during a certain number of 

 years having considerably augmented the domain of the bo- 

 tanist, the Academy requires a confirmation or refutation, by 

 a critical examination, according to the laws established by 

 Linnaeus, of the different genera and species introduced in 

 botany since the death of that great man, and a determination, 

 by the same laws, of the propriety of the denominations that 

 have been given to these genera and species. The titles and 

 editions of the works referred to, to be cited with exactness. 



4th. To determine the changes that may be occasioned by 

 the felling of considerable forests upon the adjacent countries 

 and commons, with respect to the Jsalubrity and temperature 

 of the air, to the duration and violence of the prevailing winds, 

 and generally to all meteorological phaenomena. 



The prize for each of these questions to be a gold medal, 

 of the weight of thirty ducats. The memoirs, written in 

 French, Dutch, Latin, or Flemish, to be addressed (post free) 

 to M. Dewez, before the 1st of February 1825. The Academy 

 will also award, at the same time, the other prizes. 



LV. In- 



