. Biology. Biology. FIG. 41.—Sphaerclla lacustris. Various stages in vegetative life and spore for- mation. A, a typical red-colored, resting cell; B, a red individual with two flagella and a yellow-green border of chlorophyll; C, an older individual with more chlorophyll and a widely-distended cell-wall; D, a mature green individual with red eye-spot; £, individual that has lost its flagella and developed a thick cell-wall; F, 16 microzooids formed in the mother-cell; G, mature megazooid; H, I, megazooid formation. (From Hazen.) temporary, however, for ultimately the cells separate and live a
. Biology. Biology. FIG. 41.—Sphaerclla lacustris. Various stages in vegetative life and spore for- mation. A, a typical red-colored, resting cell; B, a red individual with two flagella and a yellow-green border of chlorophyll; C, an older individual with more chlorophyll and a widely-distended cell-wall; D, a mature green individual with red eye-spot; £, individual that has lost its flagella and developed a thick cell-wall; F, 16 microzooids formed in the mother-cell; G, mature megazooid; H, I, megazooid formation. (From Hazen.) temporary, however, for ultimately the cells separate and live as independent units (Fig. 40).. 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 Calkins, Gary N. (Gary Nathan), b. 1869. New York, H. Holt and company
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