. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHAETOPTERIDAE: TUBE AND FEEDING 221 side, so that the enlarged blade-like 4th seta is directed downward against the periphery of the partition. The seta is now extended, cutting through at the junc- tion of the partition and the wall. Then the seta is retracted. Following each stroke, the worm rotates slightly in the tube. In less than two minutes the worm neatly cuts the partition completely free. The old partition is pushed downward and against the tube wall and is gradually incorporated into the wall itself as addi- tion
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. CHAETOPTERIDAE: TUBE AND FEEDING 221 side, so that the enlarged blade-like 4th seta is directed downward against the periphery of the partition. The seta is now extended, cutting through at the junc- tion of the partition and the wall. Then the seta is retracted. Following each stroke, the worm rotates slightly in the tube. In less than two minutes the worm neatly cuts the partition completely free. The old partition is pushed downward and against the tube wall and is gradually incorporated into the wall itself as addi- tional reinforcing secretions are laid clown by the worm against the inner surface of the tube. DORSAL CILIATED GROOVE CILIATED NOTOPODIAL RINGS MUCOUS BAG *'•-. 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
Size: 1089px × 2295px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
