THE MEXICAN METEORITES. 
43 
masses of the same group, weighing 353 and 450 pounds, 
were brought from Mexico, but it is not known what became 
of them. 
3. The Santa Rosa Mass. —This mass, now in the mineral- 
ogical collection of the National School of Engineers in 
Mexico, weighs 63 kilograms and was. found at Muzquiz. 
It was probably brought to Muzquiz from some locality now 
unknown. 
4. The “ Coach ” Meteorite. —This well-known mass, now in 
the National Museum at Washington, was said to have been 
found at the Sanchez estate, about 50 or 60 miles from Santa 
Rosa. It weighs 114.3 kilograms. 
5. The Fort Duncan Mass. —This has frequently been 
classed with the Mexican meteorites, but it was discovered 
by Lieutenant Cusick, U. S. A., on the Texas side of the Rio 
Grande river, more than 110 miles from the nearest point in 
Mexico where meteorites have been found. It weighs 44.1 
kilograms. 
State of Nuevo Leon. 
6. The Potosi Mass. —This mass was seen by Weidner at 
the hacienda of Potosi, district of Galeana. Weidner men¬ 
tioned this mass in 1870 and estimated its weight at 91 
kilograms. 
7. The Cerralvo Mass. —This was seen by Peter McDermot in 
1847 in use as an anvil at Cerralvo, in the district of Oriente. 
He estimated it to be very much like the Orange River 
meteorite, which weighed about 136 kilograms. 
State of Chihuahua. 
8. The Casas Grandes Mass. —This was found in the ruins 
of Casas Grandes, wrapped in coarse cloths, and has been 
described as “a lenticular mass 50 centimeters in diameter.” 
Another account says “ it measures 2 feet 6 inches square 
and is supposed to weigh 5,000 pounds.” The present loca¬ 
tion of this meteorite is not known. 
