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138 transformed into nymphs; and as they in fact close all the royal cells at different periods, it is evident that the inclosed larvæ are not all of an equal age. The laying of drone eggs having terminated, the Queen, previously large and unwieldy, becomes slender in her figure and more able to fly, and begins to exhibit signs of agitation. She traverses the hive impatiently, abandoning the slow and stately step which was her wont, and in the course of her impetuous progress over the combs, she communicates her agitation to the workers, who crowd around her, mounting on her back, striking her briskly with their antennæ, and evidently sharing in her impatience. A loud confused noise is heard throughout the hive, and hardly any of the workers are observed going abroad to forage; numbers are whirling about in an unsettled manner in front of the hive; and the moment is come, to a considerable portion of the family, for bidding adieu to their ancient abode. All at once the noise in the interior ceases, and the whole of the bees about the doors re-enter; while those returning loaded from the fields, instead of hurrying in as usual, hover on the wing, as if in eager expectation. In a second or two, some workers present themselves again at the door, turn round, re-enter, and return instantaneously in additional numbers, smartly vibrating their wings, as if sounding the march; and at this signal the whole swarm rushes to the entrance in an overwhelming crowd, streaming forth with astonishing rapidity, and filling the air in an instant, like a dark cloud overhanging their