424 Scientific Intelligence. 
from the properties of a logarithmic curve (which he calls gradulucique) 
whose functions he had determined experimentally, he seeks to fix the 
outer limits of the atmosphere. Bouguer was an expert geometer and 
sustains all his conclusions by mathematical demonstrations. His results 
seem to have received less attention than they merit, the only reference 
to his researches I have seen being by Daguin in his excellent Z’razté de 
Physique, iii, 300, 1859. 
WwW not omit in this connection to refer to the very interesting 
observations of Draper* on the spectrum formed by means of a platinum 
wire heated gradually from dull redness to perfect whiteness by a volta- 
e 
of the spectrum appeared after the violet. This result perfectly harmon- 
izes with views above expressed.—B. s., JR. | 
Astronomy.—Vew Planets——A new planet, the 59th of the group 
between Mars and Jupiter, was discovered Sept. 15, 1860, by Mr. James 
Ferguson, of the Washington (D. C.) Observatory. It was then about 
as bright as a star of the 11th magnitude—Gould’s Astron. Journal, 
0 
o. 140, 
The 58th Asteroid (since named Concordia) was discovered March 24, 
1860, by Dr. Luther of the Observatory at Bilk. : 
sent to care of B. 
importance of the work to be done or the ability of those charged with 
the duty. 
THE Grnerat Inpex to the 3d decade of volumes of the 2d Series of 
this Journal, now complete, occupies more than the space usually ap- 
propriated to our Scientific Intelligence, and our numerous friends, whose 
contributions are thereby excluded from the present issue, will pardon 
the unavoidable delay. 
Osrtuary.—Died in Montreal, Oct. 9, Dr. W. P. Houmes, well known 
as an early cultivator of mineralogy and botany in Canada, an active 
promoter of the Montreal Natural History Society, and for the last ten 
years professor of Medical Jurisprudence in MeGill College, Montreal. 
* This Journal [2], iv, 388, and v, 1. 
