Society of National (Economy, Haarlem. 93 



SOCIETY OF NATIONAL CECONOMY, HAARLEM. 



This society has published the following 

 Prize Questions : 



1. What species of nettie can be employed in makint^ 

 yarn? The memoir must state what countiy produces it; 

 the proper season for gathering, and the nianipulatiuns ne- 

 cessary in preparing it tor use. Twenty-five pounds of the 

 yarn must he produced with the paper. The prize is 25 

 ducats, which will be augmented if 50 pounds be sent in. 



2. Can the acorn be employed for making oil, as a sub- 

 stitute for coffee, or other purposes of domestic oeconomy ? 

 and what are the best methods for doing so ? The prize is 

 six ducats. 



3. What is the present state of public and private oeco- 

 nomy in Holland ? 



4. What is the best method of preventing or curing the 

 rot in sheep ? Fifty ducats to the person who shall point 

 out the cause of the disease, and an effectual method of pre- 

 vention ; twenty-five ducats to the one who shall point out 

 a cure. 



The answers to the above questions must be sent to the 

 secretary of the society before the 30th of Septenibc^r ISOi. 



5. Millet being little cultivated in Holland, and no good 

 method known for separating it from the chaff, the society 

 oflers a premium of twenty-five ducats to the person who 

 shall invent a machine by which that can be effected as 

 completely as in the millet imported from other countries. 

 The competition for this prize will be open till the 3Uth of 

 September 1S03. 



CECONOMICAL SOCIETY, ST. PETERSBURGH. 



This society has offered several premiums for encouraging 

 industry among the .peasants and the poor in hospitals ; alio 

 for a good method, suited to the capacity of the Russian 

 peasant, for the preservation of health, enabling him to 

 apply remedies, especially from indigenous plants, with 

 the manner of employing them. The prize for the latter 

 is a gold medal of fifty ducats. 



XII. In- 



