IJ?8 Hoyal Academy of Sciences at BerVtn. 



pox, and at the different periods of the difeafe ? Whether 

 diluting the matter with water before inoculation be attended 

 with eflential advantage ; or whether too fmall a number of 

 puftules be not by thefe means produced, and the body of »he 

 patient rendered liable to new infection ? If it be true that 

 rubbing olive-oil into the body be a certain prefervative 

 againft the plague, whether the fame means might not be 

 employed to prevent infeftion from the fmall-pox ? And 

 what other kind of oil, when olive -oil is not to be had, 

 might be fubllituted, with moft advantage, in its Head ? 



The candidates are requefted to tranfmit their papers, 

 which the Society would prefer in Latin, but which may 

 be written alfo in German or French, with any device at 

 pleafure, and accompanied with a fealed note containing the 

 name and refidence of the author, to the prefident of the 

 Academy at Erlangen before the ift of September 1801. 

 The prize, which is a gold medal weighing twenty ducats, 

 will be adjudged to the author of the beft paper on the above 

 fubje6l on the 5th of Jariuary i8o3. 



HoVAL ACADEMr of SCIENCES AT BERLIN. 



The following papers were read in the Academy in the end 

 of the laft, and beginning of the prefent, year : 



September 19th, 1799, A fecond differtation on the great 

 advantage and different ufes of the maize plant, and on the 

 bread prepared from it 3 by ProfelTor Bernoulli. 26th, On 

 the origin of human knowledge, by Counfellor Selle. 



October 3d, On a paflage in the Meno of Plato, by 

 Trembley. lOth, Experiments and obfervations made in 

 the courfe of the year: ifl, on the ufe and cultivation of 

 the white beet, and its abundance in faccharine particles; 

 ad, on the varieties of this root, which may be employed 

 with moft advantage in the preparation of fugar. 17th, A 

 journal of aftronomical obfervations made at the obfervatory 

 of Berlin fince 1798, by Profeflbr Bode. 24th, Second dif- 

 fertation on the influence of figns in the formation of ideas, 

 by Von Cafiillon. 31ft, Grammatico-crilical obfervations 

 on Montaigne, by Baflide. 



Novenpiber 7th, Obfervations on certain phenomena in 

 7 regard 



