. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 118 E. HIROSE ET AL 004. H Figure 6. Replication images of purified cellulose microtibril (A, C, E, and G) and its electron diffractogram (B, D, F, and H) of P\rM»na uilanlicum (A and B). Do/in/uin nalionalis (C and D), la\is zonaria (E and F), and Pegeu canfoctlerata (G and H). All figures are of the same magnification. The diffractograms show that all specimens are composed of cellulose I microfibrils with high crystallinity. Bundles with two to six cellulose mierofibrils were often observed in /. zonaria and Pcgea confoed
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 118 E. HIROSE ET AL 004. H Figure 6. Replication images of purified cellulose microtibril (A, C, E, and G) and its electron diffractogram (B, D, F, and H) of P\rM»na uilanlicum (A and B). Do/in/uin nalionalis (C and D), la\is zonaria (E and F), and Pegeu canfoctlerata (G and H). All figures are of the same magnification. The diffractograms show that all specimens are composed of cellulose I microfibrils with high crystallinity. Bundles with two to six cellulose mierofibrils were often observed in /. zonaria and Pcgea confoederata (E and G. arrowheads). rapid contraction of circular muscle bands responding to stimulation ( Bone and Trueman, 1983, 1984; Nish- ikawa and Terazaki, 1994; Bone, 1998). The tunic cells in salps and doliolids have an amoeboid shape and many pseudopodia, characteristics that are sug- gestive of their motility within the tunic. Because they are very similar in morphology to the tunic phagocytes of some ascidians (cf. Hirose et «/., 1994, 1996a, b), these cells might be phagocytes. Among several types of tunic cells in pyrosomas, one type forms a cellular network. This network. 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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