Geology and Natural History. 145 
with Professor Smith. This cl 
reference to the original papers in this Journal, and by other 
evidence if necessary. 
ave no doubt Professor Smith will be glad to have this cor- 
rection made, and presume it was only an accidental inadvertence 
which led him to publish the foot-note without further explanation. 
I should not offer this correction had I not learned that Professor 
Smith’s volume has had a wide circulation, both in this country 
and in Europe. 
New Haven, July 8th, 1874. 
men Alto, fourteen leagues from Antofagasta, the old localities 
being in the desert of Atacama in Peru, and at Ascotan in Bolivia. 
thirty leagues to the east of the mines of copper of Chafiaral de 
las Animas, northeast of the range of Dojia Ines; the place ap- 
amount at 14,000,000 tons. A memoir on the subject has pore 
e i 
named from the discoverer. 
13. On Livingstonite, a new mineral ; by Mariano BarcEna. 
(El Minero Mexicano, May, 1874.)—Livingstonite much resembles 
Mm color and aspect stibnite or sulphid of antimony. It occurs in 
Am. Jour. Sc1.—Tuirp sis , Vou, VII, No. 44—Aue., 1874. 
1 
