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Updated: June 27, 2025
Orsodacna ruficollis. Orthoptera, metamorphosis of; stridulating apparatus of; colours of; rudimentary stridulating organs in female; stridulation of the, and Homoptera, discussed. Ortygornis gularis, pugnacity of the male. Oryctes, stridulation of; sexual differences in the stridulant organs of. Oryx leucoryx, use of the horns of. Osphranter rufus, sexual difference in the colour of.
In the early watches of the night, just at the turn of the dawn, Lloyd heard the faint rumble of a passing train at the station nearly five miles away. For hours that and the prolonged stridulating of the crickets were the only sounds. Then at last, while it was yet dark, a faint chittering of waking birds began from under the eaves and from the apple-trees in the yard about the house.
Typhaeus, stridulating organs of; stridulation of. Twins, tendency to produce, hereditary. Twite, proportion of the sexes in. Ugliness, said to consist in an approach to the lower animals. Umbrella-bird. Umbrina, sounds produced by. United States, rate of increase in; influence of natural selection on the progress of; change undergone by Europeans in the. Upupa epops, sounds produced by the male.
In the females, however, of all three species of Oryctes, a slight grating or stridulating sound is produced, when the abdomen of a softened specimen is pushed backwards and forwards.
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