138 Screntific Intelligence. 
oxide, from which deducting the impurities in the materials gave 
The mean of these two values is 69°865. This value is very near 
those deduced from the position of gallium in the chemical scale. 
That deduced feos a classification of the elements based on their 
properties and atomic weights is 69°82; that based on the wave 
lengths of its lines is 69°86; and sect ae aaa hohe 
it 68.— Bull. Soe. Ch., Il, xxi x, 385, May 878. 
s Hecurt has 
with alcoholic potash in closed tubes for 12 hours at 160°-170°, it 
gives up all its bromine and is converted into hexoylene. On 
adding water to the distillate from several tubes, two portions 
separated. The first a yellow liquid which floated on the surface, 
was hexoylene; the second, which fell to ts sed aio as a yellow 
oil was undecomposed monobromhexylen , in amount about one- 
third of the quantity used. The Hexoplene distilled beeeved 80° 
and 83°, and is a colorless mobile liquid of a penetrating disagree- 
able odor. It is optically inactive, has a specific gravity of 0°7494 
at 0°, does not solidify in a freezing abate re and has the formula 
It is not attacked by hydrochloric acid, but is dissolved 
by strong sd ic and sulphuric acids. It does not reduce ammoni- 
acal r silver star Oxidized with chromic acid it 
yields acetic rac butyric acids. Hence the author gives it the 
constitutional formula CH. —C=C—CH,—CH,— The di- 
and irs mei are described.— Ber. Berl. Chem. pte <a; 
homologue of the latter. The author suggests that a bat 
as well as cholesterin may occur in the animal organi The 
physiostigmin of rate he regards as phi patent EGO 3 
Ann., excii, 175, May, 1878 G. F. B. 
