COHAHUILA (MEXICO) METEORITES OF 1868. 



The 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 south-western edge 

 of the Balsin de Mapini, on the route to the mines of Panal, 

 weighing not less than one ton ; also to another mentioned by 

 Dr. Berlandier, in his journal of the commission of limits, that 

 at the Hacienda of Venegas there was (1827) a piece of iron 

 that would make a cylinder one yard in length with a diameter 

 of ten inches. It was said to have been from the mountains 

 near the hacienda (see my article on the subject, Amer Jour, 

 of Science and Arts, 1854). In the description there given it 

 was stated that the specimen examined came from sixty miles 

 north of Santa Rosa, and therefore in one or two collections in 

 which it is to be found it is called incorrectly Santa Rosa mete- 

 orite. I was allowed to cut off but a small piece of it from the 

 original specimen, which is in the Smithsonian Institution, and 

 consequently I was able to supply but two or three specimens. 

 For the discovery and collection of the specimens now under 

 consideration we are indebted to Dr. H. B. Butcher, and I will 

 give a full detail of the discovery as communicated in letters to 

 his father by Dr. Butcher, to whom the scientific world are 

 certainly indebted for the labor, expense, and danger incurred 

 in procuring them. I must not, however, fail to state that I 

 am indebted to Dr. Feuchtwanger for first informing me of the 

 fact of their arrival in this country, and for the exhibition 

 of a small fragment to the members of the American Scientific 

 Association at Chicago in 1868. 



In a letter dated September 8, 1868, Dr. Butcher writes, from 

 information received from the son of Dr. Long, who had re- 

 sided many years at Santa Eosa, that in the fall of the year 



