Submarine Telegraph—Society of Acclimation. 107 
In the hope of increasing his resources, by assuming in addition to a 
chair in the faculty of Sciences a chair of Chemistry in the School of 
Pharm 
@- Ether, in which he considered ether as a pyrogenous substance. This 
Professor of Chemistry, then also Director of the School. He was a chem- 
ist little known, and jealous especially of young men who promised to 
distinguish themselves in science. But the objections which he raised 
against Gerhardt did-not prevent his reception as a pharmaceutist, nor his 
succession soon after to the same chair of Chemistry. Gerhardt oceupied 
this post at the time of his death. 
Submarine Telegraph.—According <i late accounts, the telegraphic 
eable which was to connect Algeria and France had been laid up to a few 
miles from Galite, having traversed depths of 200 metres and more. 
supplementary cable had been ordered at London, but while waiting for 
18 supplement which was all that was necessary to the completion of 
great work, a break was discovered in the cable already submerged— 
ra hich viaites, ad 
Sreat space, and from their branches spring new roots whic: 
Sreatly to the vigor of the tree. This ron Fs of cultivation demands great 
areas, 
M. Hardy has drawn from these trees a moderate quantity of caout- 
chouc, which was placed in the Universal Exposition of 1855. He hopes 
for much greater results, as a number of questions relative to these trees 
yet remain unsettled ; wee 
Waz and Tallow.—M. Hardy has not yet succeeded in acclimating 
plants of the family of Guttifere, The Myrica sebifera, of Louisiana, 
soi * ‘i 
The Croton Sebiferum from China, is very prosperous. It is now six 
bear frui erorylon andi- 
opes. The s secretes 
at the surface of its stalks of full maturity, a white resinous powder, from 
