. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EXCRETORY SYSTEM IN DIGENEA. 341 cercaria amounts to 12, or 6 on each side of the median line (Fig. 2). Since the two cells on each side of the body, arising from the bifurcation of the original cell, are the key to the further development of the system, the general flame-cell formula may be represented as a + a" = 4 + 2 or 6. Data on the excretory system in the redia of Cercaria spatula furnish additional evidence in favor of the belief that this formula is valid for the excretory system in this species. In the very. P
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EXCRETORY SYSTEM IN DIGENEA. 341 cercaria amounts to 12, or 6 on each side of the median line (Fig. 2). Since the two cells on each side of the body, arising from the bifurcation of the original cell, are the key to the further development of the system, the general flame-cell formula may be represented as a + a" = 4 + 2 or 6. Data on the excretory system in the redia of Cercaria spatula furnish additional evidence in favor of the belief that this formula is valid for the excretory system in this species. In the very. 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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