Page:The Book of the Aquarium and Water Cabinet.djvu/132

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120
THE WATER CABINET.

When its season of larva life is over, it retires to the bottom of the vessel to repose, and becomes a pupa. When the crumpled form of the gaudy fly begins to ex-

TRANSFORMATION OF THE DRAGON FLY.

1. The Fly just emerging. 2. The Fly nearly free, and forming an arch. 3. The Fly
liberated, and with its body bent, to hasten the drying of the wings.

pand within, and to knock at the door of its sepulchre, the pupa quits the watery element for ever, and betakes