. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 466 G. F. GWILLIAM ing light mechanical stimulation. Single-impulse stimulation was never observed to cause a generalized response, but pairs of stimuli at to intervals would cause a generalized contraction. Pairs at greater intervals would cause either two localized contractions coincident with stimulus delivery or would spread to the adjacent arms, depending on the interval. If several stimuli were delivered at a frequency of one per second, the contraction would spread in both directions around. Please not
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 466 G. F. GWILLIAM ing light mechanical stimulation. Single-impulse stimulation was never observed to cause a generalized response, but pairs of stimuli at to intervals would cause a generalized contraction. Pairs at greater intervals would cause either two localized contractions coincident with stimulus delivery or would spread to the adjacent arms, depending on the interval. If several stimuli were delivered at a frequency of one per second, the contraction would spread in both directions around. 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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