. Senescence and rejuvenescence. Age; Reproduction. 148 SENESCENCE AND REJUVENESCENCE zooids or hydranths at the tips of the branches results. Fig. 50 shows a portion of such a Pennaria colony. In this species the new. Figs. 50-52.—Pennaria tiarella: Fig. 50, part of a colony, including a large, old hydranth, h, bearing a medusa bud, m, a younger hydranth, h', and a hydranth bud, h"; Figs. 51, 52, developmental stages of hydranth. hydranth bud arises laterally a short distance below the terminal hydranth of a stem or branch (Fig. 50, h"). It is an outgrowth. Please note that these im
. Senescence and rejuvenescence. Age; Reproduction. 148 SENESCENCE AND REJUVENESCENCE zooids or hydranths at the tips of the branches results. Fig. 50 shows a portion of such a Pennaria colony. In this species the new. Figs. 50-52.—Pennaria tiarella: Fig. 50, part of a colony, including a large, old hydranth, h, bearing a medusa bud, m, a younger hydranth, h', and a hydranth bud, h"; Figs. 51, 52, developmental stages of hydranth. hydranth bud arises laterally a short distance below the terminal hydranth of a stem or branch (Fig. 50, h"). It is an outgrowth. 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 Child, Charles Manning, 1869-1954. Chicago, Ill. , The University of Chicago Press
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectreproduction, bookyea
