Analytical Chemistry. 279 
the metal in our laboratory in January, 1862, as mentioned by him in 
the Cuemicat News, v, p.350. But it may be evidence that we were 
aware of the metallic nature of thallium, and acquainted with the 
essential properties of the new body,’ to state, that early in April, 1862, 
reference to the books of that firm) for the metal and the salts at that 
time we had prepared :— 
‘ Thallinm (Ouddos)— Oxyd of Thallium—Sulphid of Thallium—Basic 
hlorid of Thallium—Iodid of Thallium—Sulphate of Thallium— 
re metal, was in the International Exhibition, at its opening, on the 
st of May, 1862, to prove priority of publication to Mr. Lamy’s com- 
munication made at Lille, on the 16th of May, 1862 
r. 
eee read before the Royal Society a few days after we met that gen- 
that, as Mr. only spoke French, a 
e ourselves speak but sm ptr it was not possible that 
by the intervi 
¢ have no wish to detract in the least from the great merit of Mr. 
, as Mr. Lamy seems to suppose, that we 
Curselves remained idle during the fourteen months which had elapsed 
“ince we remarked the green line in the spectrum, With the limited 
ve heartily congratulate him on his successes, and envy him nothing 
nae 
but his Opportunities. 
ltes are, besides the usual graduated apparatus, a standard acid, a stand- 
aad pee an indicator of the point of neutralization, and pure carbon- 
N€ of soda, 
