264 Correspondence of J. Nickles. 
; Ud 
Art. XXIII.— Correspondence of M. Jerome Nickles, dated Paris, 
July, 1856. 
technic School, when he was replaced by the distinguished physicist 
Dulong. He entered the Institute in 1843. He died on the 12th of May 
last at an advanced age. 
ricultural Universal Exhibition—It is ten years since this kind of 
Agricultural fairs are taking a more liberal range. This exhibition was 
not as well attended as was hoped, and France was but moderately repre- 
sented, there being hardly 150 French contributors. The animals ad- 
mitted were cattle, sheep etc., pigs, and fowls. There was also a horti- 
cultural exhibition of unusual beauty, where the Azaleas were combined 
in great perfection of taste, with Rhododendrons and Calceolarias. The 
ornamental trees were inferior to those of the Horticultural exhibition of 
ast year. 
The department of Pisciculture was a new and interesting feature in this 
exhibition, There were several basins or reservoirs where the apparatus of 
Pisciculture of the Collége de France and the products of the establish? 
ment founded at Huningue (Haut-Rhin), were exhibited :—including saF 
n from t anube and Rhine, the French salmon, trout, etc. ete, 
comprising various species which have been acclimated without difficulty. 
wo years since the experiment was begun towards stocking the artificia 
lake which the city of Paris has made in the Bois de Boulogne. which is 
supplied with water by means of a great steam engine; this lake, which, 
as no communication with other waters, is now filled with trout and 
salmon of the finest kinds. 
brought into use, permitting the fecula to be sold 25 to 30 per cent 
than other related products. 
