. An elementary course of practical zoology. Zoology. CHA1-. II ILEMATOCOCCUS 241 when divided by 300. It has been found that such organisms as Hismatococcus travel at the rate of one foot in from a quarter of an hour to an hour ; or, to express. I'lG. 68.âA, Ilicniiitococciii' /'litviaiis, niuLile Living ^[jeLiiucii, ^Iiuwihl; protoplasm \\'\\\\ chioiiuitophores (c/ir) and pyrenoids {_/>}'>')â , cell-wall (c. 7v) connected to cell-body by protoplasmic filaments, and flagella (y/). The sluIc to the left applies to Figs. AâD. 1!, vesting stage of the same, showing nucleus {nii) wi
. An elementary course of practical zoology. Zoology. CHA1-. II ILEMATOCOCCUS 241 when divided by 300. It has been found that such organisms as Hismatococcus travel at the rate of one foot in from a quarter of an hour to an hour ; or, to express. I'lG. 68.âA, Ilicniiitococciii' /'litviaiis, niuLile Living ^[jeLiiucii, ^Iiuwihl; protoplasm \\'\\\\ chioiiuitophores (c/ir) and pyrenoids {_/>}'>')â , cell-wall (c. 7v) connected to cell-body by protoplasmic filaments, and flagella (y/). The sluIc to the left applies to Figs. AâD. 1!, vesting stage of the same, showing nucleus {nii) with nucleolus (//«'), and thitl: cell-wall {c. 1") in contact with the protoplasm. C, the same, showing division of the cell-body in the resting stage into four daughter-cells. D, the same, showing the development of flagella and detached cell-wall by the daughter cells before their lilaeration from the enclosing mother-cell-wall, E, H<pmatococciis laci<stris, showing nucleus {nu), single large pyrenoid {pyr), and contractile vacuole (c. vac). F, diagram illustrating the movement of a flagellum ; ab. its base ; c, c', c". differ- ent positions assumed by its apex. (From Parkei*'s Biology : ]i), after Biitschli.) the fact in another and fairer way, that they travel a distance equal to two and a half times their own diameter in one second. In swimming the pointed end is alwa)'s directed Pkact. 2uul. R. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Parker, T. Jeffery (Thomas Jeffery), 1850-1897; Parker, William Newton, joint author. London, Macmillan and Co. , Limited; New York, The Macmillan Company
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