. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 334 LEONARD P. SAYLES One bud (Fig. 7) consisted of 7 segments, 4 of these setigerous, and terminated in an anal collar of the usual type. From the ventral side of the middle of this bud there had developed a three-segment secondary. FIG. 6. Dorsal view of part of thirteenth segment of host bearing 9-segment induced tail bud with anal segment double. Age, 30 days. C, anal cone. FIG. 7. Dorso-lateral view of part of thirteenth segment of host bearing in- duced double tail bud. Age, 18 days. C, anal cone. FIG. 8. Dorsal view o
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 334 LEONARD P. SAYLES One bud (Fig. 7) consisted of 7 segments, 4 of these setigerous, and terminated in an anal collar of the usual type. From the ventral side of the middle of this bud there had developed a three-segment secondary. FIG. 6. Dorsal view of part of thirteenth segment of host bearing 9-segment induced tail bud with anal segment double. Age, 30 days. C, anal cone. FIG. 7. Dorso-lateral view of part of thirteenth segment of host bearing in- duced double tail bud. Age, 18 days. C, anal cone. FIG. 8. Dorsal view of part of thirteenth segment of host bearing induced tail bud. Age, 10 days. FIG. 9. Ventral view of part of thirteenth segment of host bearing induced tail bud. Age, 14 days. C, lobulate anal cone region; /, exposed part of implant. FIG. 10. Left lateral view of part of thirteenth segment of host bearing in- duced bud consisting almost entirely of anal segment open on one side. Age, 11 days. I, exposed part of implant. Enlarged from small, rough sketch. About X20. FIG. 11. Right lateral view of part of thirteenth segment of host with implant, /, raised up on small amount of new tissue. Age, 15 days. FIG. 12. Right dorso-lateral view of part of thirteenth segment of host with implant, I, raised up on mass of new tissue. Age, 44 days. FIG. 13. Right lateral view of part of thirteenth segment of host bearing in- duced bud consisting of two setigerous segments followed by a slender, twisted region. Age, 26 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. : Marin
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