Each of these forms as genera, produces three species; this gives the
hand nine intrinsic attitudes, whose neutral signification will be
specified and determined by the presentation of the hand upon the cube.
Let us first take the normal state as genus, and we shall have the
normal hand as species in the normal genus. This will then be the
normo-normal attitude.
By presenting the hand in pronation or supination horizontally, without
spreading or folding the fingers, we shall have that attitude which
signifies abandon.
Let us now take the eccentric species, still in the normal genus.
Raise the hand somewhat with a slight parting of the fingers, and we
have the eccentro-normal hand, which signifies expansion.
Finally, let us consider the concentric species, still in the normal
state.
Present the hand lifeless and you have the concentro-normal attitude,
which signifies prostration.
Let us pass on to the concentric genus.
By closing the fingers with the thumb inward upon the middle one, we
shall have the normo-concentric hand, which signifies the _tonic_ or
power.
To close the hand and place the thumb outside upon the index finger,
signifies conflict. This is the concentro-concentric hand.
To bend the first joint with the fingers somewhat apart, indicates the
eccentro-concentric hand. This is the convulsive state.
Let us pass on to the eccentric genus.
The fingers somewhat spread, denote the normo-eccentric hand.
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