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Lucanidae, variability of the mandibles in the male. Lucanus, large size of males of. Lucanus cervus, numerical proportion of sexes of; weapons of the male. Lucanus elaphus, use of mandibles of; large jaws of male. Lucas, Prosper, on pigeons; on sexual preference in horses and bulls. Luminosity in insects. Lunar periods. Lund, Dr., on skulls found in Brazilian caves.
If the male is removed the female ceases all work, and as M. Brulerie believes, would remain on the same spot until she died. 'Ann. Soc. Entomolog. Chiasognathus Grantii, reduced. The great mandibles of the male Lucanidae are extremely variable both in size and structure, and in this respect resemble the horns on the head and thorax of many male Lamellicorns and Staphylinidae.
The males of many of the Lucanidae, as well as of the above-mentioned Leptorhynchus, are larger and more powerful insects than the females.
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