They yield, on
the hyper level, two triads, a duad, and a unit. The remaining bodies are
simple and familiar.
ARSENIC (Plate XIV, 2).
Arsenic shows the same ovoids and globe as have already been broken up in
aluminium (see _ante_); the remaining sixteen spheres form nine-atomed
bodies on the meta level, all similar to those of aluminium, thus yielding
twelve positive and twelve negative; the globe also yields a nine-atomed
body, twenty-five bodies of nine.
ANTIMONY (Plate XIV, 3).
Antimony follows closely in the track of gallium and indium, the upper ring
of spheres being identical. In the second ring, a triplet is substituted
for the unit, and this apparently throws the cross out of gear, and we have
a new eleven-atomed figure, which breaks up into a triplet and two quartets
on the hyper level. The lowest seven-atomed sphere of the three at the base
is the same as we met with in copper.
* * * * *
VIII.
IV.--THE OCTAHEDRAL GROUPS.
These groups are at the turns of the spiral in Sir William Crookes'
lemniscates (see p. 28). On the one side is carbon, with below it titanium
and zirconium; on the other silicon, with germanium and tin.
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