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The Wonders of Instinct

Chapters in the Psychology of Insects

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Published: 1913
Language: English
Wordcount: 87,168 / 255 pg
Flesch-Kincaid Reading Ease: 75.6
LoC Category: Q
Downloads: 1,790
mnybks.net#: 2536
Origin: gutenberg.org
Genres: Science, Nature
Excerpt

THE FEMALE.

EXPERIMENTS.

EXPERIMENT 1. The mole is fixed fore and aft, with a lashing of raphia, to a light horizontal cross-bar resting on two forks. The Necrophori, after long tiring themselves in digging under the body, end by severing the bonds.

EXPERIMENT 2. A dead mouse is placed on the branches of a tuft of thyme. By dint of jerking, shaking and tugging at the body, the Burying-beetles succeed in extricating it from the twigs and bringing it down.

EXPERIMENT 3. With a ligament of raphia, the Mole is fixed by the hind feet to a twig planted vertically in the soil. The head and shoulders touch the ground. By digging under these, the Necrophori at the same time uproot the gibbet, which eventually falls, dragged over by the weight of its burden.

EXPERIMENT 4. The stake is slanting; the Mole touches the ground, but at a point two inches from the base of the gibbet. The Burying-beetles begin by digging to no purpose under the body. They make no attempt to overturn the stak

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