14/47 Similar precautions were taken during the rest of my experiments. Total, twenty-five males captured, of which one only was deprived of its antennae. So of the six operated on earlier in the day, which were strong enough to leave my study and fly back to the fields, only one had returned to the cage. A poor result, in which I could place no confidence as proving whether the antennae did or did not play a directing part. |