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Updated: May 23, 2025


Acclimatisation, difference of, in different races of men. Achetidae, stridulation of the; rudimentary stridulating organs in female. Acilius sulcatus, elytra of the female. Acomus, development of spurs in the female of. Acridiidae, stridulation of the; rudimentary stridulating organs in female. Acromio-basilar muscle, and quadrupedal gait. Acting. Actiniae, bright colours of.

Cloacal passage existing in the human embryo. Clubs, used as weapons before dispersion of mankind. Clucking of fowls. Clythra 4-punctata, stridulation of. Coan, Mr., Sandwich-islanders. Cobbe, Miss, on morality in hypothetical bee-community. Cobra, ingenuity of a. Coccus. Coccyx, in the human embryo; convoluted body at the extremity of the; imbedded in the body.

The tree-creepers do not possess melodious, or at any rate mellow notes, although in so numerous a family there is great variety of tone, ranging from a small reedy voice like the faint stridulation of a grasshopper, to the resounding, laughter-like, screaming concerts of Homorus, which may be heard distinctly two miles away.

Nevertheless, there is a cluster of petty dependents, a nebula of minor satellites, which have us for the focus of their orbit, and which cannot be left out of a comprehensive account of our system. Whence, for example, is that raucus stridulation which sets every tooth on edge and sends a rheumatic shiver up my spine?

The louder sound, heard at a greater distance, would attract or be heard by more females, or it may attract other males and lead to combats for the females, but this would not imply choice in the sense of rejecting a male whose stridulation was a trifle less loud than another's, which is the essence of the theory as applied by you to colour and ornament.

Odonestis potatoria, sexual difference of colour in. Odour, correlation of, with colour of skin; of moths; emitted by snakes in the breeding season; of mammals. Oecanthus nivalis, difference of colour in the sexes of. Oecanthus pellucidus. Ogle, Dr. W., relation between colour and power of smell. Oidemia. Oliver, on sounds produced by Pimelia striata. Omaloplia brunnea, stridulation of.

Tench, proportions of the sexes in the; brightness of male, during breeding season. Tenebrionidae, stridulation of. Tennent, Sir J.E., on the tusks of the Ceylon Elephant; on the frequent absence of beard in the natives of Ceylon; on the Chinese opinion of the aspect of the Cingalese. Tennyson, A., on the control of thought.

Brown-Sequard, Dr., on the inheritance of the effects of operations by guinea-pig. Bruce, on the use of the elephant's tusks. Brulerie, P. de la, on the habits of Ateuchus cicatricosus; on the stridulation of Ateuchus. Brunnich, on the pied ravens of the Feroe islands. Bryant, Dr., preference of tame pigeon for wild mate. Bryant, Captain, on the courtship of Callorhinus ursinus.

The hot July air trembled agleam with shining insects, and drowsily over the hayfield, punctuated by stridulation of innumerable grasshoppers, there throbbed one sustained murmur, like the remote and mellow music of wood and strings.

Lobivanellus, wing-spurs in. Local influences, effect of, upon stature. Lockwood, Mr., on the development of Hippocampus. Lockwood, Rev. S., musical mouse. Locust, bright-coloured, rejected by lizards and birds. Locust, migratory; selection by female. Locustidae, stridulation of the; descent of the. Locusts, proportion of sexes in; stridulation of.

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