. Senescence and rejuvenescence. Age; Reproduction. 138 ©. 139 © Figs. 132-139.—Stages of gamete formation in the liverwort Riccia: Fig. 132, antheridium in stage at which spermatogenous cells become segregated from cells of wall; Figs. 133-139, formation of archegonium and egg, 0, in Riccia. From Coulter, etc., ' 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 Univ
. Senescence and rejuvenescence. Age; Reproduction. 138 ©. 139 © Figs. 132-139.—Stages of gamete formation in the liverwort Riccia: Fig. 132, antheridium in stage at which spermatogenous cells become segregated from cells of wall; Figs. 133-139, formation of archegonium and egg, 0, in Riccia. From Coulter, etc., ' 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
