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The fourth table is covered with the varieties of the Cricket, including the great Chinese cricket, dragon-flies, scorpion-flies, the terrible tropical white ants, caddis flies, wasps, saw-flies, bees, hornets, and sand wasps. Here are the silkworm moth and its cocoon as kept in Siberia; the ghost moth of our hop grounds; the hawk moth, the death's head moth, and the large Brazilian owl moth.
Yet these leaves are covered with the warts made by the saw-flies to deposit their eggs in. The male saw-fly of this species and some others is scarcely ever seen, though the female is so common. The creature stings the leaf, dropping into the wound a portion of formic acid, and then lays its egg. The stung leaf swells, and makes the protecting gall.
Saviotti, Dr., division of malar bone. Saw-fly, pugnacity of a male. Saw-flies, proportions of the sexes in. Saxicola rubicola, young of. Scalp, motion of the. Scent-glands in snakes.
In ascending this scale of being, while there is a progress upwards, the beetles, for instance, being higher than the bugs and grasshoppers; and the butterflies and moths, on the whole, being more highly organized than the flies; and while we see the hymenopterous saw-flies, with their larvæ mimicking so closely the caterpillars of the butterflies, in the progress from the saw-flies up to the bees we behold a gradual loss of the lower saw-fly characters in the Cynips and Chalcid flies, and see in the sand-wasps and true wasps a constant and accelerating likeness to the bee form.
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