4 ^ 
SALOON, among the specimens of the latter are, the mass- 
Nat. Hist, fve Variety from New Jersey, and several earthy 
varieties, in clay, wood, peat, &c. To these is 
added the ilvait (the yenite or jenite of some 
mineralogists), which is enumerated by Haiiy 
among the ores of iron, under the appellation 
of fer siUceo-calcaire, 
Case 41. In this and the two following cases 
are contained the ores of lead, the most common 
and useful of which is the sulpliuret qflead^ or ga¬ 
lena ; the specimens here deposited include va¬ 
rious modifications of crystals, detached and 
grouped together, in combination with blende, 
pyrites, and many other substances; galena of 
various grain, massive and disseminated ; galena 
of corroded appearance, decomposed and re¬ 
generated ; the compact and specular variety, 
called slickenside by the Derbyshire miners.— 
With these, is also placed the antimonial sulpliu¬ 
ret of lead^ or triple sulphuret of lead, antimony, 
and copper, called endellion by Count Bournon. 
[See British Collection : Cornwall.] 
Case 42. Ores of lead continued :—the more 
prominent specimens in this case are those of cai'- 
bonate of lead^ or white lead, among which may 
be particularized the laminar varieties, the beau¬ 
tiful modifications from Siberia, and the crystal¬ 
lized acicular white lead from the Hartz, accom¬ 
panied with green and blue carbonates of copper; 
the fine light blue variety coloured by copper, 
&c.; 
