Miscellanies. 361 
Construction of an instrument for cleaning buckwheat, - 600 
Introduction into France, and the culture of plants ) Ist pr. 2,000 
useful to agriculture, manufactures and arts, 2d “ 1,000 
For the year 1833. 
Discovery and working of quarries of lithographic stones, 3,000 
Artificial stones for lithography, - - - 2,000 
Transfer of old engravings to lithographic stones, - 1,000 
Method of giving to starch the property of rising like wheat 
flour, - - - - - - 6,000 
_ Method of detecting the mixture of starch with wheat flour, 2,400 
For the drying of meat, - - - - 5,000 
Plantation of slopes, (terrains en pente,) - i a Be 5b) 
For the year 1834. 
Fabrication 2 sewing needles, ean" gira . 3,000 
Description of the process of bleaching cloth destined for 
printing, preparation of colors, their application, and of 
machines used in these different processes, © - - 5,000 
Manufacture of Chinese paper, “ - - 2,000 
Beet sugar establishments, a rural occupation aes eg 
5 7 Ramee 2d * 1,500 
For the year 1835. 
Se eniidtion of the effect of lime in ee land, 1,500 
Total, 164,300 
Bull. d’Encour. 
17. Influence of heat on magnetism, by Cu. Matreuci.—lIt re- 
sults from the experiments of the author on this subject : 
1. That cold increases magnetic LENG and that heat dimin- 
ishes it. 
2. Within the limits of temperature to which the apparatus was 
exposed, the changes are equal, for an equal number of degrees. 
3. The magnetic intensity, and the physical constitution of the 
body, are the principal elements of the phenomenon. 
4. Within the same limits, the changes in question are only tem- 
porary.. 
