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Updated: May 23, 2025
In the last and third family, namely the Acridiidae or grasshoppers, the stridulation is produced in a very different manner, and according to Dr. Scudder, is not so shrill as in the preceding Families. He does not play both fiddles together, but alternately, first upon one and then on the other."
Goureaux, on the stridulation of Mutilla europaea. Gout, sexually transmitted. Graba, on the Pied Ravens of the Feroe Islands; variety of the Guillemot. Gradation of secondary sexual characters in birds. Grallatores, absence of secondary sexual characters in; double moult in some. Grallina, nidification of. Grasshoppers, stridulation of the.
Eland, development of the horns of the. Elands, sexual differences of colour in. Elaphomyia, sexual differences in. Elaphrus uliginosus, stridulation of. Elaps. Elateridae, proportion of the sexes in. Elaters, luminous.
Kulmucks, general beardlessness of; aversion of, to hairs on the face; marriage-customs of the. Kangaroo, great red, sexual difference in the colour of. Kant, Imm., on duty; on self-restraint; on the number of species of man. Katy-did, stridulation of the. Keen, Dr., on the mental powers of snakes. Keller, Dr., on the difficulty of fashioning stone implements.
But as if to load this contented being with largesse of apparently useless abilities, the two widespreading fin spines the fins which correspond to our arms were swiveled in rough-ridged cups at what might have been shoulders, and when moved back and forth the stridulation troubled all the water, and the air, too, with the muffled, twanging, rip, rip, rip, rip.
He believes that the power of stridulation in the Clythra has not been previously observed. I am also much indebted to Mr. E.W. Janson, for information and specimens. I may add that my son, Mr. F. Darwin, finds that Dermestes murinus stridulates, but he searched in vain for the apparatus. Scolytus has lately been described by Dr.
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