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Updated: June 18, 2025
"Balz" of the Black-cock. Bantam, Sebright. Banteng, horns of; sexual differences in the colours of the. Banyai, colour of the. Barbarism, primitive, of civilised nations. Barbs, filamentous, of the feathers, in certain birds. Barr, Mr., on sexual preference in dogs. Barrago, F., on the Simian resemblances of man.
They branch but sparingly, or not at all, and are characterized by consisting of a single long tube or cell, not divided by septa, as in the case of the great majority of the filamentous algæ. These tubular filaments are composed of a nearly transparent cellulose wall, including an inner layer thickly studded with bright green granules of chlorophyl.
These are plants growing in sea or fresh water, or on damp surfaces, with a filamentous, or more rarely a leaf-like pulverulent or gelatinous thallus; the last two forms essentially microscopic. Consisting frequently of definitely arranged groups of distinct cells, either of ordinary structure or with their membrane silicified Diatomaceae. We note three forms of fructification: 1.
But the condition of the Dipnoi, which possess lungs but do not walk on land, does not support this supposition, for they possess fins which are either filamentous or fin-like, having a central axis with rays on each side.
It is, in fact, a mere particle of living jelly, without defined parts of any kind without a mouth, nerves, muscles, or distinct organs, and only manifesting its vitality to ordinary observation by thrusting out and retracting from all parts of its surface, long filamentous processes, which serve for arms and legs.
Fructification: by zoospores, either single or very numerous, and by resting spores formed in sporangial cells after the contents have been impregnated by the contents of autheridial cells of different forms. 8 Oscillatoriaceae. Plants growing either in the sea, fresh water, or on damp ground, of a gelatinous substance and filamentous structure.
If one likens each nerve cell to a central telephone office, each of its filamentous prolongations to a telephone wire, one can imagine a striking analogy between the modus operandi of nervous processes and of the telephone system.
We drew up some in buckets, and found it to contain a small, scarcely perceptible, portion of a fine filamentous substance, quite transparent, such as I have occasionally seen where seaweed is abundant. Whether this was the cause of the milky appearance of the sea or not we could not determine.
Fructification: zoospores produced from the cell contents of the filaments; resting spores formed from the contents of particular cells after impregnation by ciliated spermatozoids produced in distinct antheridial cells. Coleochaetae. Confervaceae. Not conjugating. Zygnemaceae. Aquatic filamentous plants, without evident gelatine, composed of series of cylindrical cells, straight or curved.
In several of the planetary nebulæ we have discovered a star or bright point in the centre, and a filamentous edge, which is just the appearance which a cluster with a highly condensed centre would present in a small instrument. For instance, Figs. 47 and 32. I have sent drawings of a few of these objects to the Royal Society, they were forwarded a few days ago.
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