18 B. Silliman—Meteorie Iron from California. 
of giving has been reserved to Dr. Gould. 
The Argentine Government is going to provide a new photo- 
graphic lens for the National Observatory, and has asked me 
to continue the experiments with the new lens. 
Cordoba, March 8, 1873. 
Art. IV.—On the Meteoric Iron found near Shingle Springs, 
Eldorado Oounty, California; by B. SILLIMAN. 
(Read before the National Academy of Sciences, Washington, April, 187 BS 
An Eldorado meteoric mass was found by the writer in 
March, 1872, in the cabinet of Mr. W. H. V. Cronise, of San 
Francisco, where it was placed by its discoverer, Mr. James H. 
Crossman, who in 1871 rescued it from the forge of a smith at 
Shingle Springs, California. It was found in 1869 or ’70, in a 
field belonging to the same smith, about half.a mile from the 
wn named. It is said to be the first meteoric mass discovered 
_ in California. . C. F. Watkins of San Francisco has photo- 
graphed this specimen of the natural size, and from this photo- 
graph the accompanying figure has been reduced to one-third 
the linear dimensions of the original. 
ae mass was intact when I first saw it, and weighed about 
eighty-five pounds avoirdupois. It was flattened upon oneside — 
and presented the usual familiar features of iron meteors. 
has since been cut in several sections, one of which (which was 
ee 
