Chemistry. 277 
this report), ‘oc equa to 0- it is necessary to reduce the atomic asin 
to 102. In the same wy as a potna pe for its s atomic formula K,O, the prot- 
rmula T1,0. 
he atomic oe of thallium will be equal to " 35 and if we do not com- 
pare it with the volumes of sodium and potassium, it is because these present 
a seinen which have not yet received sufficient attention from 
chem 
placed hear to fe at eas 0 aay | lithium; and also cae, thallium, 
which has so heavy an pe Aes that t it he ed — by the side of bismuth, 
4 metal which possesses the high = of equi 
We see that the discovery of n w bodies ‘extends the circle of our knowl- 
laws they lead us to ascertain, and that freer and more general aspect under 
Which we are taught to regard the properties of individual peinetore, se their 
analogies, differences, and classification, and even their nature and essence, 
free himself completely from the unworthy sabia se fd fro e. 
tributed to him.—Ep oJ 
ber w 
Lamy 
the discovery of ne metal thallium. Mr. Le Verrier had already made 
7. ape claim for Mr. Lamy in the journal La France for October 22, 
2; and, in reply to a letter of our own in answer to Mr. Le Verrier, 
patie in the Cosmos for event 5, 1862, Mr. Lamy has since ad- 
~— the same claim for him 
as Mr, Lamy states | Csanean December 19, 1862, p. 681) that 
it is. = Orta of publication which constitutes se ority of invention,” 
We are induced to give a short résumé of dates in support of our own 
claim to the discovery—not only of the new ew but of its metallic 
Character. Our readers will remember that it was in the Cuemroar 
News for March 30, 1861, we first cua “The Existence of a New 
Element, PRopaBy of the Sulphur Group.” The word oe is here 
some, 1 ce, as showing the doubts we had at the of the 
*xact nature of the new body—doubts which were further indicated in 
ll Dumas Bre in Bm 6 the symbol “Tb,” which we have already shown 
opted for 
of Chemical News, No. 162, . 13, Jan, 10, 1863. 
Am. Jour. Sct.—Srconp Sermms, Vou. XXXV, No. 104—Mancn, 1863, 
36 ; 
° 
ad 
Cd 
a. 4 
