. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 458 LORANDE LOSS WOODRUFF. pronounced, usually bring on endomixis slightly earlier than it would have occurred if the cells had been left in the environment in which they were at the last reorganization period. But after this initial change the periodicity characteristic of the organism is resumed and persists. In addition, however, this experiment suggests another point of interest: the length of the rhythm is apparently partially. FIG. 12. independent of the number of cell divisions—the periodicity being one in which time,


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 458 LORANDE LOSS WOODRUFF. pronounced, usually bring on endomixis slightly earlier than it would have occurred if the cells had been left in the environment in which they were at the last reorganization period. But after this initial change the periodicity characteristic of the organism is resumed and persists. In addition, however, this experiment suggests another point of interest: the length of the rhythm is apparently partially. FIG. 12. independent of the number of cell divisions—the periodicity being one in which time, so to speak, is an important factor. This is a most surprising result, because such profound reorgani- zation phenomena as are involved in endomixis must bear a more or less definite relation to the physiological activity of the protoplasm, the best criterion of which is generally considered to be growth and reproduction as indicated by the division rate. More experiments obviously are needed to resolve this 'time factor' into its significant elements. EXPERIMENTS—SERIES III. Peebles states that Horlick's Malted Milk is a most satis- factory culture medium for Paramecium if used in a .2 per 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology