62 Royal Academy of Rouen.—Petersburg.—Paris, Sc. 
dered to have contributed most to the progress of experimental 
physiology. The decision will be announced early in the follow- 
ing year. 
ROYAL ACADEMY OF SCIENCES, BELLES LETTRES AND ARTS, 
ROUEN, 
This Academy proposes as a prize question, the following sub- 
ject :—‘“ What are the most proper methods, dependent or in- 
dependent of Wedgwood’s Pyrometer, for measuring with ac- 
curacy the temperatures required in certain arts, as in glass, 
porcelain, or iron furnaces ?”’— Prize, a medal of the value of 
300 francs. The papers to be written in French or in Latin, 
and sent in before the lst of July next. 
ACADEMY OF SCIENCES, ST. PETERSBURG. 
The Academy has proposed the following questions :— 
1. To repeat the experiments that have been performed on 
Potash and on Soda, and on their metallic bases; and to examine 
with precision the results thence deducible. 
2. To subject ammonia to a particular and careful examina- 
tion, in order to ascertain with precision the relative merits of 
the opinions that have been entertained respecting its nature and 
composition ; and the possibility of insulating the metal asserted 
to be contained in it. 
3. To examine with greater accuracy than hitherto effected, 
the metallic substances yielded by the earths ; ascertain the pos- 
sibility of presenting them pure and isolated ; describe their pro- 
perties in that state, and in combination with other substances ; 
and point out the various and determinate relations in which 
they should be placed. 
Premium J00 ducats of Olanda, and one 100 copies of the 
memoir itself. The papers to be delivered to the Decresiey be- 
fore the Ist of January 1820. 
ACADEMY OF MEDICINE, PARIS. 
The following subject has been proposed by this Academy :— 
* To determine generally the influence of Pathological [morbid] 
Anatomy on the progress of medicine ; and in particular on the 
diagnosis and treatment of internal diseases.” Prize, a gold 
medal of the value of 300 franks, to be adjudged at an extraor- 
dinary public sitting in October 1819. The memoirs.to be in 
French or in Latin, and transmitted before August to M. le Doc- 
teur Chordel, secrétaire générale du Cercle Médical, rue Casette, 
Paris. 
SOCIETY OF MEDICINE, MARSEILLES. 
This Society has proposed, as the subject of a dissertation, 
the following questions:—1. What diseases of the Uterus are 
liable 
