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Updated: June 17, 2025
So tiny and elegant, the smallest of the warblers; a delicate blue back, with a slight bronze-colored triangular spot between the shoulders; upper mandible black; lower mandible yellow as gold; throat yellow, becoming a dark bronze on the breast. Blue yellow-back he is called, though the yellow is much nearer a bronze.
But the most unaccountable circumstance to me was, that it should be entirely destitute of vegetation, with the exception of the gloomy and leafless bramble I have noticed. M'Leay, who was always indefatigable in his pursuit after subjects of natural history, shot a cockatoo, of a new species, hereabouts, having a singularly shaped upper mandible.
Mandans, correlation of colour and texture of hair in the. Mandible, left, enlarged in the male of Taphroderes distortus. Mandibles, use of the, in Ammophila; large, of Corydalis cornutus; large, of male Lucanus elaphus. Mandrill, number of caudal vertebrae in the; colours of the male.
When one of the vulture-like heads was cut off from the cell, the lower mandible retained its power of opening and closing. Perhaps the most singular part of their structure is, that when there were more than two rows of cells on a branch, the central cells were furnished with these appendages, of only one-fourth the size of the outside ones.
In their flight they frequently twist about with extreme swiftness, managing, with their projecting lower mandible, to plough up small fish, which they retain in the lower half of their scissor-like bills. Each bird thus leaves its wake on the mirror-like surface. On quitting the water their flight is wild, irregular, and rapid.
The epithelial odontoma is derived from persistent portions of the epithelium of the enamel organ, and constitutes a multilocular cystic tumour which is chiefly met with in the mandible. The cystic spaces of the tumour contain a brownish glairy fluid. These tumours have been described by Eve under the name of multilocular cystic epithelial tumours of the jaw.
The upper mandible being so much shorter than the lower, the young are more helpless than the stork in the fable with the flat dishes, and must have every thing conveyed into the mouth by the parents till they are able to provide for themselves. The lower mandible, as thin as a paper-knife, is put into the water while the bird skims along the surface, and scoops up any little insects it meets.
Till then the engineer's companions had been brickmakers and potters, now they were to become metallurgists. The day before, after breakfast, they had explored as far as the point of Mandible Cape, seven miles distant from the Chimneys. There, the long series of downs ended, and the soil had a volcanic appearance.
It is interesting to see two such widely different organs developed from a common origin; and as the movable lip of the cell serves as a protection to the zooid, there is no difficulty in believing that all the gradations, by which the lip became converted first into the lower mandible of an avicularium, and then into an elongated bristle, likewise served as a protection in different ways and under different circumstances.
To counteract the extraordinary length of its legs, it is provided with a proportionately long neck, so that in feeding in shallow water the crown of the head becomes inverted and the upper mandible brought into contact with the bottom; where its flattened surface qualifies it for performing the functions of the lower one in birds of the same class; and the edges of both being laminated, it is thus enabled, like the duck, by the aid of its fleshy tongue, to sift before swallowing its food.
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