266 Correspondence of J. Nickles. 
presenting a most eurious spectacle; for in the parts where the 
cloud was not dense enough, the red light shone through, and 
formed a thousand fantastic figures, as if painted with fire ona 
black ground. | 
In the city of Salvador (lat. 13° 44’) the same phenome 
was visible, occupying the same space in the heavens, and the 
red light was so vivid that the roofs of the houses and the lea 
of the trees appeared as if covered with blood. 
February, 1860, 
Arr. XXV.—Correspondence of Mr. Jerome Nickles, dated Nancy, 
November 10th, 1859. 
Biography.— Cagniard-Latour—We have already given nk 
of this physicist, so lately lost to science; the following details a 
from an autobiography, which gives a very interesting account 
with the same rapidity and regularity iene at The iaventon of 
bot 
sounds. Reasoning in this manner, Latour 
this well-known and beautiful instrument. : tion of 2 
In 1822 he published his experiments on the combined acti ether and : 
in liqui es 
: 
