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Kirby and Spence, on sexual differences in the length of the snout in Curculionidae; on the courtship of insects; on the elytra of Dytiscus; on peculiarities in the legs of male insects; on the relative size of the sexes in insects; on the Fulgoridae; on the habits of the Termites; on difference of colour in the sexes of beetles; on the horns of the male lamellicorn beetles; on hornlike processes in male Curculionidae; on the pugnacity of the male stag-beetle.

For instance, the prehensile organs of insects, the great toothed mandibles of the black stag-beetle, the amorous din of the male cicada and the muteness of his mate these are facts which you cannot relate, one with the other, nor can you generalise upon them. Let me add to these related characters, and you cannot discern the law which is alike to all.

I once saw a fight between a stag-beetle and a toad, it had evidently been proceeding for some time as both combatants were exhausted, but neither had gained any special advantage. "I may soberly confess that sometimes, walking abroad after my studies, I have been almost mad with pleasure the effect of nature upon my soul having been inexpressibly ravishing and beyond what I can convey to you."

Dancing, universality of. Danger-signals of animals. Daniell, Dr., his experience of residence in West Africa. Darfur, protuberances artificially produced by natives of. Darwin, F., on the stridulation of Dermestes murinus. Dasychira pudibunda, sexual difference of colour in. Davis, A.H., on the pugnacity of the male stag-beetle.

In insects, for instance, the presence of the purple emperor and the white admiral in our Hampshire woods, as well as the abundance of the great stag-beetle, point to a time when the two countries were joined, at least as far west as Hampshire; while the absence of these insects farther to the westward shows that the countries, if ever joined, were already parted; and that those insects have not yet had time to spread westward.

The stag-beetle climbed a mountain, and in a rotten tree stump found some bits of glowing wood like fire, but the distance was so great that long before they reached the castle moat it was daylight, and the fire had gone out; so they threw their fish scales and old wood away.

What then is the use of the enormous fan-like structure of the male antennæ? The seven-leaved apparatus is for the Pine-chafer what his long vibrating horns are to the Cerambyx and the panoply of the head to the Onthophagus and the forked antlers of the mandibles to the Stag-beetle. Each decks himself after his manner in these nuptial extravagances.

Squilla, different colours of the sexes of a species of. Squirrels, battles of male; African, sexual differences in the colouring of; black. Stag, long hairs of the throat of; horns of the; battles of; horns of the, with numerous branches; bellowing of the; crest of the. Stag-beetle, numerical proportion of sexes of; use of jaws; large size of male; weapons of the male.

A very large and handsome green stag-beetle crawled from one end of The Rat's crutches to the other, but, having done it, he went away also. Two or three times a bird, searching for his dinner under the ferns, was surprised to find the two sleeping figures, but, as they lay so quietly, there seemed nothing to be frightened about.

"They prefer dry, sandy places, and can run and fly very swiftly. This insect has an uncommonly voracious appetite; look at this one, which has just seized an immense fly, and is trying to tear it in pieces." The capricious flight of a stag-beetle led us to the edge of the ravine; and, continuing to follow a zigzag path shaded with shrubs, we came out in front of a hut.