. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 382 RUDOLF JANDER TAPLE I Data of Experiment 1 Condition Axes Longitudinal Transverse m 5 H m 5 n a (dark) 91° ± ° ±° 218 ° ± ° ±° 17 b (light) ° ± ° ±° 215 ° ± ° ±° 26 Experiment 1. Samples of the mysids' angular orientation were recorded under two conditions: (a) in total darkness and (6) with a vertical light beam from above. In a, only gravity orientation could be effective, whereas in b, light could give additional directional clues. The data thus obtained show that under both Condi
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 382 RUDOLF JANDER TAPLE I Data of Experiment 1 Condition Axes Longitudinal Transverse m 5 H m 5 n a (dark) 91° ± ° ±° 218 ° ± ° ±° 17 b (light) ° ± ° ±° 215 ° ± ° ±° 26 Experiment 1. Samples of the mysids' angular orientation were recorded under two conditions: (a) in total darkness and (6) with a vertical light beam from above. In a, only gravity orientation could be effective, whereas in b, light could give additional directional clues. The data thus obtained show that under both Conditions a and b the swimming plane was horizontal. With or without the light from above, the longitudinal and the transverse axes were maintained 30 90-. 0 30. 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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