d the experimenter handle the boxes.

Because of the other work which seemed more important at the time, this
experiment was not continued further. The results obtained suggest the
desirability of testing thoroughly the ability of monkeys to use objects
as only the anthropoid apes and man have heretofore been thought capable
of using them.

_Box and Pole Experiment_

Skirrl was first tested with the box and pole experiment on August 12.
As in the case of Julius, a half banana was placed in the middle of the
long box and the attention of the monkey was attracted to the bait by
small pieces of carrot placed near each open end. Two poles were placed
near the box on the floor of the cage. When admitted to the cage Skirrl
went almost directly to the ends of the box, took the pieces of carrot
which were in sight, but apparently failed to perceive the bait in the
middle of the box. For a while he played with the locks on the box,
shoved it about, and amused himself with it, showing no interest in
obtaining the food. Later he looked through the box and saw the banana.
He then dragged the box about, apparently trying to get it into his
cage, but he gave no attention to the poles nor did he make any evident
effort to obtain the banana which was easily visible in the center of
the box. The period of observation was only twelve minutes.

On August 24 this experiment was repeated with an important modification
of the apparatus in that the wooden lid of the long box had been
replaced by a wire cover through which the animal could see the bait.
Two poles were as formerly on the floor of the cage, not far from the
box. Skirrl almost immediately noticed the banana and tried to get it by
gnawing at the box. He did not once reach in at the ends of the box, but
he did handle the poles, throwing them about and pounding with them.
There was not the slightest attempt to use them in obtaining the bait.

This experiment was later repeated three times at intervals of a number
of days, but in no case did Skirrl show any tendency to use the poles as
means of obtaining the food.

_Draw-in Experiment_

This also was arranged in the same manner as for Julius, and on each of
five days Skirrl was allowed at least thirty minutes to work for the
bait. Either a banana or a carrot was each day placed on the board well
beyond his reach, and one or two, usually two, small sticks were put
into his cage. Not once during the several periods of observ