J. L. Smith on the Cohahuila Meteoric Irons. 383 
GeropETIc MEASUREMENTS IN EvRopPE, 
35° 5’ to 70° 40’ N. lat., the utmost possible in Europe. 
measurement of the 52d parallel, between Valentia on the Irish 
Coast and Orsk on the Kirgisen Steppe, has lately been com- 
ii, 1869. 
pleted.—Petermann, ii, 18 
Art, XXXVIII.—The Cohahuila Meteoric Irons of 1868, 
Mexico; by J. Lawrence Surru, Louisville, Ky. 
Tue region of Mexico bordering on Texas seems to have 
been most profusely furnished with these celestial visitors. In 
1854 I first drew the attention of the scientific public to the 
meteoric irons of this region, at which time I described one 
brought from there by Lieut. Gouch, referring at the same time 
to one mentioned by Mr. Weidner near the southwestern edge 
of the Balsin de Mapini, on the route to the mines of Panal, 
which is in the Smithsonian Institution, and consequently I 
} Feuchtwanger for first informing me of the fact of their arri- 
val in this country, and for the exhibition of a small fragment 
to the members of the American Scientific Association at Chi- 
