Chemistry and Physies. 483 
ferric salts, when dilute, and gives a red precipitate when concen- 
trated. In Men ndelejeff’ ’s classification, the author thinks davyum 
a ear ee element placed between molybdenum and ruthe- 
subsequent paper, Kern gives the reactions of the new 
metal alkanes by dissolving his ingot in _ regia. The yel- 
ow hydrate is readily soluble in acids, even cetic. - The 
nitrate Ad gee as a brown mass, which on ea sti gives a black 
xi issolved in potassium cyanide, um chloride 
in water and alcohol. No second chloride is ea eter- 
minations give the density 9°389. Its atomic sieht mo not yet 
been determined, but it is porters between 150 and 1 fs 38 
Ixxxv, 72, 623, July, Oct., 1877. 
solution of copper sulphate on oeens ener, the author 
ina H,CO- ees —Cu—CH-COCH, 
establishes the formula as 600C,H, éooc.H, , in 
which the carbon atoms of the two groups are ‘linked directly by 
copper. Nickel, cobalt, magnesium, aluminum and mercury ¢ 
pounds were also prepared. —Liebig’s Ann., clxxxviii, 26, Ang. = 
ag A 
On Phyllie acid, extracted from leaves.— Fount has suc- 
hed 3 in sacle from the leaves of the cherry-laurel, a new acid 
to which he gives ‘the name phyllic acid. The leaves are extracted 
hap boiling er the extract left on wit off the ae 
a 
¥° i 
at 170°, and decomposing at 200°. Analysis of the ] potass sium salt 
fixed the molecular weight at 624; and ultimate analysis, conse- 
