Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
Sometimes, again, the third and little finger may be pressed in to the palm near the base of the thumb, which in its turn is pressed against the middle joints of the first and middle fingers; at others the little finger is sometimes drooped obliquely, or the four fingers may be relaxed rather than extended and the thumb slanted inwards: this last gesture is well adapted to pointing to one side or marking the different points which we are making, the had being carried palmupwards to the left and swept back to the right face-downwards.
The following short gestures are also employed: the hand may be slightly hollowed as it is when persons are making a vow, and then moved slightly to and fro, the shoulders swaying gently in unison: this is adapted to passages where we speak with restraint and almost with timidity. Wonder is best expressed as follows: the hand turns slightly upwards and the fingers are brought in to the palm, one after the other, beginning with the little finger; the hand is then opened and turned round by a reversal of this motion.
There are various methods of expressing interrogation; but, as a rule, we do so by a turn of the hand, the arrangement of the fingers being indifferent. If the first finger touch the middle of the right-hand edge of the thumb-nail with its extremity, the other fingers being relaxed, we shall have a graceful gesture well suited to express approval or to accompany statements of facts, and to mark the distinction between our different points.
There is another gesture not unlike