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Updated: May 3, 2025
Wollaston, of the head of the female being much broader and larger, though in a variable degree, than that of the male. Any number of such cases could be given. They abound in the Lepidoptera: one of the most extraordinary is that certain male butterflies have their fore-legs more or less atrophied, with the tibiae and tarsi reduced to mere rudimentary knobs. E. Doubleday, 'Annals and Mag. of Nat.
"The fauna of Ceylon is much better known in this order than in any other of the insect tribes, but as yet the Lepidoptera alone in their class afford materials for a comparison of the productions of Ceylon with those of Hindustan and of Australasia; nine hundred and thirty-two species have been collected by Dr. Templeton and by Mr. Layard in the central, western, and northern parts of the island.
Mahony seized the opportunity to give his back premises a coat of paint; he also began to catalogue his collection of Lepidoptera. Hence, as far as business was concerned, it was a timely moment for the arrival of a letter from Henry Ocock, to the effect that, "subject of course to any part-heard case," "our case" was first on the list for a date early in January.
This difference in the color of the cocoon was very likely produced by the change of food, although it has been stated, and I think it may be quite correct, that with many species of native lepidoptera the change of food-plants does not produce any difference of color in the insects obtained.
I have been going through the whole animal kingdom in reference to sexual selection, and I have just got to the beginning of Lepidoptera, i.e. to end of insects, and shall then pass on to Vertebrata. I suspect Owen wrote the article in the Athenæum, but I have been told that it is Berthold Seeman. The writer despises and hates me.
But the zoned feathers of the mongrels from differently coloured fowls, and the extraordinary variability of the ocelli on many Lepidoptera, lead us to conclude that their formation is not a complex process, but depends on some slight and graduated change in the nature of the adjoining tissues. Feather of Peacock, about two-thirds of natural size, drawn by Mr. Ford.
The insects in Madeira which are not ground-feeders, and which, as certain flower-feeding coleoptera and lepidoptera, must habitually use their wings to gain their subsistence, have, as Mr. Wollaston suspects, their wings not at all reduced, but even enlarged. This is quite compatible with the action of natural selection.
INSECTS, continued. Courtship of butterflies Battles Ticking noise Colours common to both sexes, or more brilliant in the males Examples Not due to the direct action of the conditions of life Colours adapted for protection Colours of moths Display Perceptive powers of the Lepidoptera Variability Causes of the difference in colour between the males and females Mimicry, female butterflies more brilliantly coloured than the males Bright colours of caterpillars Summary and concluding remarks on the secondary sexual characters of insects Birds and insects compared.
He lived upon the glory of having bequeathed his cabinet of natural history to the town of Soulanges. After this was known he was considered throughout the department as a great naturalist and the successor of Buffon. Gourdon also possessed a collection of lepidoptera, a word which led society to hope for monstrosities, and to say, when it saw them, "Why, they are only butterflies!"
I hear from Professor Canestrini, that it is believed by many breeders in Italy, that the female caterpillar of the silk-moth suffers more from the recent disease than the male; and Dr. Staudinger informs me that in rearing Lepidoptera more females die in the cocoon than males.
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