saignes ; ~— 12H 12019 ; oat 5O}?, cane su 
gar and gluco: 
When nen different substances are put into a closed tube eontaiti« 
ing the acid with which it is proposed to combine them, and sufficient 
heat is applied, the combination usually takes place ; and on opening 
quercite, and the other substances mentioned have been obtained com- 
bined = oe butyric, stearic, oleic, palmitic, benzoic acids. | 
Chevreul in presenting this memoir, which he did with animal 
ual to ri of M. Babinet for the memoir of Foucault, said: ‘ Thirty 
nation of glycerine. with a fatty acid. To de liad 
this law, snes quantitative analyses were Sack which I then : 
thought impossible. Since then Science has moved on, and the proba- 
ble has become the ascertained composition. But Berthelot has gom@ = 
further. By the reaction of pure acids on glycerine also pure, he has : 
succeeded in fortning with precision many neutral fatty bodies—not only 
those before known, but others which had not been isolated. Glyce- 
rine, as is well known, has a sweet taste; and it was hence natural to 
enquire whether the other saccharine substances could be united, be 
sy nihesy to those same acids. This is the ares of Berthelot s rec 
estigations, which have been so eminently successful. = 
iteicons on Cholera.—The subject of the ete still co 
™ 
uses) ea ae 
that persons. working in co and brass escape this peeteeer 
when living in infecied i ily In 1882, when the cholera was pre 
vailing at Paris, the tanners and leather-dressers escaped " nina en 
tirely, although occupy ing the worst parts of the city, Dr. Hube 
Danish an bo vmade si milar observations at Copenhagen. 
a, o yed “ue melee ae even those 
by cholera Baraca were 
of the putrid. emanations atle 
d..carrying the dead and diggi 
d sulphuric adele pl 
=rsal Ex) nat ae 
