SCIENTIFIC NEWS. 



l^ 



In a note on this fubjefl It is recommended to examine for 

 faccharine matter, the fluid fubftance of coHiqiiative fweats; 

 that produced in the jiuxus cailacus, and in the pituitous con- 

 luraption from lungs, which after death arc not ulcerated; and 

 the milk of women afflidled with the gallaairhcea. 



Second Prize. 



What are the true charaders and the caufes of the malady. To jfceitain the 

 wliich although not exclufively appertaining to Poland, is f''^^ ^aufc and 

 however called the Plica Polonica P Are there any means ofp^jo^i^-^, 

 curing this difeafe more fuccelsful than Ihofe hitherto em^ 

 ployed? and what are thefe m»ans ? 



Third Prize. 

 What are the principal maladies of vegetables ? And what Rtlative to the 

 h i\^ true analogy between them and thole of animals ? '^'^f^^iH^ °^^'" 



CLASS OF NATURAL PHILOSOPHY AND MATHEMATICS. 



Prize. 

 Suppofe a canal, through which a certain quantity of water 

 m, flows in a given number of feconds, through a tranfverfe 

 fe£lion of a given depth and breadth, terminated by the two 

 banks : If on this fedion a dam is conflrucied, at the top of 

 which an opening is made for the water to pnfs, of given di- 

 menfionsj it is demanded according to what law the water. The lawlsde* 



elevated by the obftacle which the dam prefents, will be™^"l=''' ^y 

 /. • ' which water 



forced to rife not only at the dam, but backwards along therifes in a canal 

 canal. behind a dam, 



— , , ■ 1 r /T- • 1 I 1 1-1 at the top of 



Formulae are required lufticiently general, to be applied not «hich a given 



only to the quantity of water m, but to any other m -f- jr. <>P°°^"S '^ '"^'^s* 



Experience not exattly agreeing with the theory, the necef- 



lary corredions rouft be made to the formulae, and proofs 



given from facl'^ and obfervations, fliewirig how nearly they . ; 



approach the truth. 



CLASS OF MORAL AND POLlTfCAL SCIENCES, 



Prize. 

 As the fciences of natural philofophy and mathematics make 

 daily advances, and are enriched with new difcoveries, it is 

 dc/naaded — 



