Table VI–Continued
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In the 55th test the Junco mistook the end of the box for the front. I foresaw by her behavior that such was likely to happen and there was no error in the observation.
The new box used after the 169th test was a source of trouble for the White-throated Sparrow. String B was an inch or so higher than it was on the old box. She should now have jumped higher, but she did not learn readily to do so. This again was favorable to the Song Sparrow, who now opened the box until toward the close of the series.
The present series is not satisfactory from the standpoint of imitation. There are some signs of it, but they are inconclusive and do not satisfy the criterion which is adhered to in this paper. These results are interesting from the fact that new birds are tested and found to learn in a typical manner. If not so rapidly it may be due to the location of the cage and the interference of the White- throated Sparrow. She did not
