124 TJie American Geologist. August, vsd'f- 
include portraits of the members and patrons of the several expeditions 
led by the author, portraits of many of the Smith Sound Eskimos, 
who numbered 234 a year ago, and many views of scenery, of Eskimo 
dogs, and of sledging on the ice-sheet. 
In May, 1894, as Peary narrates, he was guided by an Eskimo to 
three large masses 01 meteoric iron, about 35 miles east of Cape York, 
which doubtless originally formed a single meteorite, far larger than 
any other known. The situation of these masses ni their relation to 
the underlying soil and rock implies that the fall took place on a snow- 
tield, perhaps on the surface of the ice-sheet when formerly more 
extended; and it is clearly impossible that these iron masses are of 
terrestrial origin like the iron occurring in basalt and in masses weath- 
ered from it at Ovifak, 500 miles farther south on Disco island, which 
in a different way are equally remarkable and unparalleled in any other 
part of the world. All three of the meteoric masses have been brought 
to the United States by Peary, two expeditions, the first unsuccessful, 
being made for the largest, which is estimated to weigh 90 or 100 tons. 
The other two masses weigh about 6,000 and 1,000 pounds. According 
to an Eskimo legend, they were a tent, woman, and dog. hurled from 
the sky. w. u. 
Note siir les gisements (Tor dii Mexique; par Ezequtel Okdonez. 
(Bui. de la Sociedad Antonio Alzate, Tome XI, pp. 217-240, 1898). 
Within recent years there has been rapid increase in the production 
of gold in Mexico. This is due not only to the discoveries that have 
been made of gold-bearing regions, but also to the improved methods 
of the treatment of the ores, not least among which is the great care 
that is given to the refining of silver. Many American agents and ex- 
perts have visited Mexico, and much American capital has sent its rep- 
resentatives throughout the republic; resulting in the organization of 
powerful companies for exploiting the ores. The richest regions are in 
the northwestern part of Mexico. Lower California and Sonora hold 
the first rank. Then follow Sinaloa, Durango, Jalisco, Mexico and Oax- 
aca. Exportation has risen from 439 kilos in 1886-87, to 10930 in 1896- 
97. Placers are most frequent on the Pacific slopes of the Sierra 
Madre mountains. N. h. ^. 
MONTHLY AUTHORS' CATALOGUE 
OF American Geological Literature, 
Arranged Alphabetically.* 
Ashley, G. H. 
Note on fault structure in Indiana. (Ind. Acad. Sci., Proc. for 1897, 
pp. 244-250, pis. 1-2.) 
*Tliis list includes titles of articles received up to the 20th of the preceding 
month, including general geology, physiography, paleontology, petrology and 
mineralogy. 
