114 Scientific Intelligence. 
an excess of sodium carbonate, and filtered. In presence of free 
carbonic acid, the sodium carbonate holds the uranium in solution, 
the phosphoric acid being precipitated with the iron. The filt rate 
from either of these methods is acidulated with chlorhydric acid, 
nm the modi iections i ie trioxyd (sulphuric “any: 
Peer es K has examined the isome ric modi cation 
n ae 
passing them over phosphoric anhydrid. On cooling the liquid 
thus obt ained, the thermometer immersed in it is observed to be- 
the temp 
ture rises to above 50° C.; but this solidification and liquefaction is 
a ate 3 an ae melting, in the or inary sense of these terms, 
t 
sity, found to be 2 14 4 to 2°76; SO, requires 2°76. From the 
above facts, the author concn that sulphur trioxyd exists in 
two states: Ist, « Sulphuric anhydrid solidifying at +16° in long 
colorless prisms. whic the same temperature ; boiling at 
6 d. ulphuric anhydrid, produced from the former, at 
temperatures below 25°, in very fine needles; becoming at temper- 
atures above 50° gradually fluid again, being transformed into #3 
of a, since a. Seo organic ¢ , as, for exam ee 
c anuric Seeing pis meine in ok se opertics, 8 
their molecules See more condensed.— Ber. Berl, Chem Ges ; 
ont March, 1870, G. "3 'B. 
4, Onthe becerevtii of Brcatieka alcohol ae tertiary 
‘dechok=-Ahiaes vars Le Pag ical considerations, MARKOWNIKOFF 
was led to'believe that jsobety alcohol eo bares during 
fermentation) by the loss of water, or its iodid by the loss of 
