C. U. Shepard on Meteoric Irons in the U. States. 233 
n 
The composition of the troilite, schreibersite and rhabdite in 
the mass is too well known to render necessary any attempt to 
analyze them in the present case. Neither cobalt, tin, nor 
copper was detected in this iron. 
2. Meteorie Iron from Southeastern Missouri. 
For my knowledge of this iron I am indebted to Prof. B. F. 
Shumard, of Saint Louis, who sent me a specimen of it several 
years ago, but through an accident it failed to reach me until 
lately. He wrote me under date of Nov. 4, 1868, as follows : 
“The specimen is from one in the collection of the St. Louis 
Academy of Sciences which I found among minerals that be- 
longed to the old Western Academy of Sciences, of St. Louis. 
The label with it gives only ‘8. H, Missouri’ as the locality. 
Its meteoric character was not known until I examined it.” 
) n reply to my request for further information, Prof. Shu- 
lard has favored me (Dec. 18) with the following additional 
particulars: ‘‘The specimen in the Academy’s collection is 
iregularly lozenge-shaped, 3,°, inches long, 14 wide, and 1;, 
thick, The extremities and upper face are rough and irreg- 
| ular, one lateral piece is smooth with a wavy surface, we 
| 
Its present weight is nine ounces; and if you will add to this 
What has been taken to furnish the specimens referred to above 
In respect to the figures developed by etching, it belongs to 
‘RY order of me mmic irons ; mbles 
’ Atva and Cocke county. It is rich in schreibersite, insomuch 
