. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ^PV*- Light —. 150 FIGURE 5. Positions observed for the transverse axis of swimming Mysidiitin when the light beam stimulates with full intensity (a), or reduced () intensity (b), horizontally in the plane of the paper. Each point represents three readings. Experiment 2. ing in a head-up position. The continuous distribution of angular positions found in this experiment contrasts markedly with Experiments 1 and 2 (Figs. 2-5) with their limited angular ranges of swimming directions. The tendency to turn left and right wit
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ^PV*- Light —. 150 FIGURE 5. Positions observed for the transverse axis of swimming Mysidiitin when the light beam stimulates with full intensity (a), or reduced () intensity (b), horizontally in the plane of the paper. Each point represents three readings. Experiment 2. ing in a head-up position. The continuous distribution of angular positions found in this experiment contrasts markedly with Experiments 1 and 2 (Figs. 2-5) with their limited angular ranges of swimming directions. The tendency to turn left and right within the slanted swimming plane is therefore greater than the one for turning out of the plane, in spite of the fact that the force of gravity does have a component affecting orientation in such an oblique plane (compare Figs. 4, 5 and 6). DISCUSSION Interactions of conflicting turning tendencies in response to simultaneous gravitational and optical stimulation have frequently been studied, in molluscs. 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
