428 PRIZE-QUESTIONS OF SCIENTIFIC SOCIETIES. 



treated in order to obtain it limpid and free from any organic or inor- 

 ganic snbstance in solution. 



The prize for each of these subjects is a gold medal. 



Memoirs should be sent free, before December 31, 1873, to the presi- 

 dent, 21 rue Oompagnons, Mons. 



Competitors must not sign their articles, but only put on them a 

 private mark, also placed on a sealed note containing their name and 

 address. 



From the competition will be excluded : 1. Active members of the 

 society : 2. Those who make themselves known in any way whatever, as 

 well as those who send their papers after the appointed time, or whose 

 works have been already presented to other academies. 



The society will retain the manuscripts addressed to it; but authors, 

 whose works merit it, may obtain copies at their own expense. 



Announced at the session in Mous, March 14, 1873. 



A. HOUZEAU DE LEHAIE, 



General Secretary, 



SOCIETY OF SCIENCE, LITERATURE AND ART, HAINAUT 



FRANCE. 



Programme for 1874. 

 Part I. 



LITEEATUEE. 



1. A poem on a subject from Belgian history. 



2. A poem on a modern subject. 



3. A novel in prose. 



BIOGRAPHY. 



4. Life of a citizen of Hainaut distinguished for his talents or the 

 services he has rendered. 



PINE ARTS — ARCHITECTURE. 



5. The architecture of the monuments and private houses of Mons 

 in the last two centuries. 



HISTORY. 



6. The history of one of the old cities of Hainaut, excepting Soignies, 

 Peruwels, and Saint-Ghislain. 



7. The history of coal-mining in Hainaut. 



EDUCATION. 



8. A critical review of our laws and regulations in regard to primary 

 instruction. 



9. The same in regard to intermediate education. 



10. The same in regard to higher education. 



