272 Scientific Intelligence. 
that of Bohumilitz. In the outer crust, there are pieces of schreibersite 
and protosulphuret of iron. The Widmannstadtian figures are large, 
=7'737. Composition of this and the Bohumilitz irons: 
Ni Co Ph = Schreibersite 
om 92 5°693 0791 (0862 0277 = 100°380 
2. Bohumilitz, 92°173 5667 0235 — 1625 = 100, Berzelius. 
2. Meteoric Iron of Cape of Good Hope——Analyses by Uricoechea and 
i, 246) -— 
Boécking (Ann. Ch. u. Pharm., xevi, 2 
Fe Ni: Co. Pa: Cu 20,8 
1. Uricoechea, 81-20 15:09 2-56 0-09 trace  Schreibersite, 0-95—99:89 
2. Bucking, | 81-30 1523 201 088 trace « 0°88 =99-50 
3. Meteoric Stone of Mezi-Madaras in Siebenburg.—Analysis by F. 
Wohler (Ann. Ch. u. Pharm., xevi, 251) :—Native iron 18-10, nickel 1-45, 
cobalt 0°05, graphite 0°25, magnesia 23°83, Fe 4-61, Mn 0-28, Al 3-15, Oa 180, 
Na 2:34, K 0°50, sulphur, phodphioruk and oxyd of chrome undetermined, 
silica 43°64—=100. Separating 19°6 p. c. of nickeliferous iron, the rest 
was subjected to muriatic acid. The insoluble part and soluble part gave: 
Si Al Mg Fe Ga Na XK Graphite 
1. Insoluble, § 18502 0-564 4-660 4-643 0-929 0:85 0-347 0°250=30-480 
* (In 100 parts, 60°70 185 15-29 15:25 305 191 1:13. 082 =100 
2. Soluble 6-336 2-586 19°170 —— 0-870 1:°755 0-153=50°920 
? (In 100 parts, 51:84 508 3764 —— 1-70 3-44 0:30 =100 
was collected at Vesuvius in May, June, September and October, 1855. 
The gas collected in September, 1855, from one of the fumaroles of the 
erater over the small central plain, from which vapor of water with sul- 
The white mineral of the Vesuvian lava of recent eruptions is probably : 
-leucite, it having the specific gravity 2°48, and the oxygen ratio for the 
bases and silica 3:82. But it differs from the leucite of Somma in 
Fossa 
Grande) leucite 1:21. Moreover in the crystals from the lava of 1847, 
as he learns from M. Damour, this ratio is 1: 1°67, 
