144 Society for the Encouragement of Industry in France. 
found in the neighbourhood of Calicut. Drawings of the male 
and female silk-moth accompanied this communication. 
. M. Cuvier was proposed as an honorary member of the So- 
ciety by the Lord Bishop, and d duly ¢ elected. 
geet’ Ss FOR THE ENCOURAGEMENT OF INDUSTRY IN FRANCE. 
__Pilzes proposed for competition during 1819: 
Mechanic Arts. 
For the application of the steam-engine to printing-presses. 
The Society proposes a prize of two thousand franés to the 
person who shall put in action, by means of the steam-engine, 
one or more typographic presses, constructed either according 
to the old method, or according to any other method. The 
press . thus worked must produce in a given time a greater 
number of impressions than in the ordinary way, and the clear 
advantage gained by it must be much greater than what is 
commonly obtained. The competitors to transmit descriptive 
memoirs accompanied with designs of the presses which they 
have employed, and certificates from the local authorities of their 
having been in active use for three consecutive months. 
For the fabrication of anew species of ceconomical carpet. 
The Society, persuaded that the proper furnishing of houses 
contributes essentially to the comfort and health of individuals, 
proposes a prize of two hundred francs to the person who shall he- 
fore the lst of May 1819 have fabricated and sent to market a 
sort of carpet, the price of which shall be one half cheaper than 
that of the cheapest carpeting at present known in Paris. 
Chemical Arts. 
For the fabrication of an indelible green colour preferable to the 
green of Scheele. 
The Society proposes a prize of two thousand francs to the 
inventor of the best means of preparing one or mauy solid and 
brilliant greens, fit for being employed in dyeing, in oil painting, 
and in paper staining. The green must be superior to the green 
of Scheele, and to those which are now in use. 
For the discovery of the best process of pounding colours in oil 
and water to the degree of consistency required by artists. 
A prize of 500 francs. 
For the fabrication of animal charcoal from thier substances 
than bones, and by a process different from that employed 
for preparing Prussian blue. 
The certainty that other animal matters besides bones, can be 
brought to yield charcoal of a good quality, is deduced from the 
knowledge of a very important fact furnished by the cap 
©! 
