lOio The American Naturalist. [November, 
Mr. MerrilPS as consisting of olivine, iron, pyrrhotite, and minute frag- 
ments of a colorless, polysynthetically twinned mineral, probably of 
the pyroxene group, in an almost irresolvable fragmental ground mass. 
The Fayette County,Texas, meteorite^^ is interesting, because of the 
existence of a vein in it similar to the vein in the Stalldalen meteor 
described by Reusch.^s The stone belongs to the chondrite group of 
Rose, with chondri composed of olivine or enstatite alone, or of both 
together. The vein consists of a black amorphous substance with a 
bronzy lustre, in which are scattered little blebs of iron and pyrrhotite, 
and a few colorless silicates. The composition of the mass of the 
SiO, Fe FeO .^\0., CaO MnO MgO Ni.Co S 
37.70 4.41 23.82 2.17 2.20 .45 25.94 1-75 1-30 
To the large number of meteors already mentioned by many 
writers as having fallen in Chili, Sandberger^" adds another. It con- 
aggregate in wliich little flecks of metallic iron are imbedded. In this 
meteor were also found hydrocarbons and small grains of black carbon 
with a hardness over 9. These occur in the iron, and are, without 
doubt, fwrms of black diamond, similar to tlicsMb^tanre lately found by 
Koksharow»* in a Russian meteorite. Mr. ]:ui.i!is^' -ivos the result of 
the analvMs of a mcreor obtained by Prof. Mill, of ■i-e\a>. The stone 
is composed of olivine, ensiatitc. aiul i.rubahly a feldspar, besides five 
per cent, of troilite and a little chromiic. li.> siiecific gravity is 3.543> 
and composition : 
