Mineralogy and Geology. 119 
i with 
the United States, who is so well acquainted with meteorites, along 
Dr. Heddle and myself, saw some slices of this iron slit in the workshop 
Mr. Young the lapidary, at Edinburgh, and we took lead out of the 
cavities immediately after they left the lathe, so that there could be no 
deception whatever. 
bodies, and to find it so closely allied with, and buried, as it were, in 
metallic iron, is not only in itself singular, but difficult to account for. 
It is, however, probable that the lead was originally held in alloy along 
With the nickel and cobalt, and on intense heating or partial fusion of 
€ iron mass, “sweated” out into vesicular cavities. 
Should this be a correct view, it is a proof of the intense heat to 
falls; so much so, indeed, that there are not more than three or four 
ears ago, 
al some y 
from having a local circulation, has not received the notice 
£ ee 
to 1844, T accompanied _ of the 
province of Entre Dios. This army returned from that expedition in 
