402 Correspondence of J. Nickles. 
Having suffered many years from a disease of the brain, he was at 
length compelled.to give up all scientific — in his last years he was 
reduced to childishness. He died in March las 
éon Péan de St. Gilles was _—_ at Paris, January 4th, 1832, and 
died March 22d, 1863, at the age 
Though always in delicate ienith; he chose a career little compatible 
with his constitution, viz: that of a chemist. Possessing a large fortune, 
he fitted up a fine laboratory, where he delighted in passing his whole 
time, by this close confinement, doubtless, hastening his dea 
The following are a few of his works deserving mention :— Upon 
many new ealphites of the bases Hg?O and Cu?0”—* Upon the hydrate 
and acetate of iro These two memoirs have been the subjects of very 
favorable reports frend Messrs. Balard and Thénard.—* Various experi- 
ments relating to the comparative action of nitric acid and mercury upon 
sulphur i in its : ibeoluble and its crystalline states’—* Upon the oxydizing 
properties of permanganate of potash ;” lastly, “ Researches upon affini- 
ties,” undertaken in concert with Mr. Berthelot, which his death suddenly 
e — 
Discovery of fossil man.—We have before mentioned’ (1860) facts 
relating gd this subject, in reviewing the long continued efforts of Mr. 
Boucher de = pba = "establish the fact that man was cotemporane- 
“ 
associated with bones of Ursus speleus, Elephas primigeniu 
articles consist mostly of flint wrought to the form of baad or dag- 
gers, together with bones bearing evident signs of having been wor sed, 
One thing remained to be accomplished—the discovery of man himself 
in a fossil state; for one could reasonably say, that, if man were cotem- 
poraneous with the Ursus speleus, we oe to find his fossil remains 
in connection with those of the larger anima 
This discovery was made at the c commencement of the present mm 
by Mr. de Perthes, upon the same formation with his previous discove 
in an open gravel pit, called — uignon 
We wil all the particulars of the authenticati 
of this Suconaly which was immediatly carried out by Messrs. de 
trefages and Prestwich. English paleontologists having expressed doubts 
London Ti i 
ion? 
t been extracted, : 
hatchets of flint every way similar to those previously examined whose . 
authenticity had been doubted by the English savants. The details of 
this remarkable congress can be found in the ating report which 
-Edwards presented to the Academy, at tioning of ay TO 
7B Joma is 288, 
ins 
