Nos. 8 and 9. "Boxes Nos. 50 and 37,"[EN#4] Quartz and red dust from
Mugnah, yielded no results.

No. 10. "Box No. 37a," Sulphur from Mugnah. Lumps of sulphur,
crystallized and massive, irregularly distributed through a white, dull,
porous rock. The latter was examined, and found to be hydrated sulphate
of lime (gypsum), with a small quantity of magnesia; some of the lumps of
rock were coloured with oxides of iron, and others intermixed with sand.

Nos. 11. and 12. "Boxes Nos. 3 and 6," Black quartz and white quartz from
the Jebel el-Abyaz, gave no results except a small portion of copper
pyrites in a lump of quartz (Box No. 6).

No. 13. "Box No. 47," Quartz from El-Wedge (Wijh), gave only oxide of
iron.[EN#5]

No. 14. "Box No. 5," Red quartz from El-Wedge, a quartz with red-brown
oxide of iron and earthy substances, was assayed with the following
results:--
Gold (per statute ton = 3240 lbs.)2 dwts. 15 grs.
Silver. . . . . . . . . . . . . .Traces.

No. 15. "Box No. 16," Mica schist from El-Wedge. This mica-schist
undergoing decomposition from weathering action, mixed with small lumps
of quartz, was assayed with the following results :--
Gold (per statute ton). . . . .6 grains.
Silver. . . . . . . . . . . . . .Traces.

No. 16. "Box No. 32," White quartz from El-Wedge. This quartz coloured with