418 Scientific Intelligence. 
be formed by a similar reaction, so that, for example, formate 
dus, I, Ixv, 335, 389, 448, ve 
2. On the same subject—Dr. Hofmann’s communications on 
subject of the isomeric cyanids have called out a reclamation of 
boiling at 166° C., proving to be cumolene, C,,H,,. Cymene 
boils at about 180° C., and exhibits the ordinary ‘reactions of the 
ol series, . 
rated solution of iodhydric acid, cymene yields hydruret of decy- 
lene, C©2oH 2, which boils between 155° and 160°C, The author 
has also found in 
ae new hydro-c rates ' 
f the heavy oils. Itis a white crystalline substance which ver 
hibits a magnificent vi and possesses a SW 
and irritating odor. It fuses at 113° and melts at 305°, and is very 
soluble in boiling alcohol. The solution of this body in sulphuri¢ 
acid is col but the ; 
d r t the least trace of nitrous acid colors it sae 
- Paras mibrous acid gives a violet color. Fluorene gives 4? 
crystalline compound With picric acid.— Comptes Rend, 
Ixy, 
- Lig 
* 
* 
