Lower down in the funnel, a similar arrangement is
seen, with a globe (see 4 _d_)--a nitrogen element--replacing the "cigars,"
and six-atomed ovoids replacing the globes.
The "nitrogen balloon" occupies the third place in the funnel, now showing
its usual shape in combination, while the _b_ globe (see 4 _b_) of scandium
takes on a lengthened form below it.
The central globe presents us with two tetrahedra, recalling one of the
combinations in gold (see Plate VII _d_), and differing from that only by
the substitution of two quartets for the two triplets in gold.
One funnel of yttrium contains exactly the same number of atoms as is
contained in a gaseous atom of nitrogen. Further, _a_, _b_, and _d_ are all
nitrogen elements. We put on record these facts, without trying to draw any
conclusions from them. Some day, we--or others--may find out their
significance, and trace through them obscure relations.
YTTRIUM: 6 funnels of 261 atoms 1566
Central globe 40
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Total 1606
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Atomic weight 88.
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