458 CHIHUAHUA 
of great labor, in consequence of the extreme tenacity 
and hardness of the mass. After an hour’s work, with 
a man to assist him, he succeeded in cutting off three 
or four small pieces, which did not altogether weigh 
an ounce, and were barely sufficient for an analysis. 
Five chisels having been broken, the Doctor had to 
desist from his labors, much to our regret, as.we were 
desirous to obtain some specimens for cabinets. 
- While this was going on, I took a couple of sketches 
of the mass, showing opposite sides, and also took mea- 
surements; but the form was so irregular that these 
measurements can only aid in conveying an idea ap- 
proximately of its bulk. Its greatest height is forty- 
six inches; greatest breadth thirty-seven inches; cir- 
cumference in thickest part eight feet three inches. 
- Its weight, as given me by Sefior Urquida, is thirty- 
eight quintals, two arrobas, three libras, which, at 
one hundred pounds to the arroba, would be equiv- 
alent to three thousand eight hundred and fifty-three 
pounds. 
This meteorite is very irregular in form, as the 
drawing shows ; and one side is filled with deep cavi- 
ties, generally round, and of various dimensions. These 
cavities were doubtless formed when the mass was cool- 
ing. At its lower part, as it now stands, is a project: 
ing leg, quite similar to the one on the meteorite we 
saw at Tucson, and which I have described. The 
back or broadest part is less jagged than the other 
portions, and contains fewer cavities, yet, like the rest, 
is very irregular.* 
* From, the various inquiries made at Guajuquilla and at the Haci- 
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