“She disjoints her head into two movable halves, which, each distended with its great red eye, by turns separate and reunite. In the intervening space, a large, glassy hernia rises and disappears, disappears and rises. When the two halves move asunder, with one eye forced back to the right and the other to the left, it is as though the insect were splitting its brain-pan in order to expel the contents. Then the hernia rises, blunt at the end and swollen into a great knob. Next, the forehead closes and the hernia retreats, leaving visible only a kind of shapeless muzzle. In short, a frontal pouch, with deep pulsations, momentarily renewed, becomes the instrument of deliverance, the pestle wherewith the newly-hatched Dipteron bruises the sand and causes it to crumble. Gradually, the legs push the rubbish back and the insect advances so much towards the surface.” 6 And monster after monster passes, such as the imagination of Bosch or Callot never conceived! The larva of the Rosechafer, which, though it has legs under its belly, always travels on its back; the Blue-winged Locust, unluckier still than the Flesh-fly and possessing nothing wherewith to perforate the soil, to escape from the tomb and reach the light but a cervical bladder, a viscous blister; and the Empusa, who, with her curved abdomen, her great projecting eyes, her legs with knee-pieces armed with cleavers, her halberd, her abnormally tall mitre, would certainly be the most devilish goblin that ever walked the earth, if, beside her, the Praying Mantis were not so frightful that her mere aspect deprives her victims of their power of movement when she assumes, in front of them, what the entomologists have termed “the spectral attitude.” 7 One cannot mention, even casually, the numberless industries, nearly all of absorbing interest, exercised among the rocks, under the ground, in the walls, on the branches, the grass, the flowers, the fruits and down to the very bodies of the subjects studied; for we sometimes find a treble superposition of parasites, as in the Oil-beetles; and we see the maggot itself, the sinister guest at the last feast of all, feed some thirty brigands with its substance.