125 
be further illustrated by the labels within them. 
The principal contents of the cases, as far as 
the arrangement extends, namely from No. 1 
to No. 40, are as follow: 
Case 1 contains native iron, copper, bis¬ 
muth, and silver. Of the first of these, found 
in insulated masses, and disseminated in me¬ 
teoric stones, the following specimens are de¬ 
posited :—native iron from Gross-kamsdorf in 
Saxony ;—two small polished pieces of the mass 
found in Southern Africa, which weighed about 
250 pounds, and is now in the cabinet of Haar¬ 
lem ;—fragment of the iron from Senegal: — 
specimens of the native iron from Otumpa, in 
the Gran Chaco Gualamba, in South America, 
described by Don Rubin de Celis, who esti¬ 
mated the weight of the mass to be about 300 
quintals, or 15 tons —a large piece detached 
from the celebrated mass of Siberian native 
iron, which was discovered by Pallas on the 
summit of a hill between Abakansk and Bel- 
skoi Ostrog on the banks of the Jenisey, where 
it was considered by the Tartars as a sacred 
relic: the mass originally weighed about 1680 
pounds ;—a piece of the large mass from Ellen- 
bogen, in Bohemia, and another of that found 
on Collina di Brianza, in Milan ;—a small piece 
* The mass of iron on the upper landing-place of the staircase, sent 
from Buenos Ayres, is supposed to be part of that of Otumpa: it 
weighs 1400 pounds. 
of 
LONG 
GALLERY. 
