. Senescence and rejuvenescence. Age; Reproduction. THE GAMETES IN PLANTS AND ANIMALS 335 i6i, and 166 show more or less "typical," fully developed spermatozoa from various invertebrate and vertebrate species, and. Figs. 148-153.—Male gametes of various plants: Fig. 148, Sphaerocarpus ter- restris, a livenvort (from Land, unpublished); Fig. 149, Equisetum (from Sharp, '12); Fig. 150, Nephrodkim, a fern (from Yamanouchi, '08); Fig. 151, Zamia, a cycad (from Webber, '01); Fig. 152, Helianthus, sunflower (from Nawaschin, '00); Fig. 153, Sil- phium (from Merrell, '00). in Figs. 158-61 fo
. Senescence and rejuvenescence. Age; Reproduction. THE GAMETES IN PLANTS AND ANIMALS 335 i6i, and 166 show more or less "typical," fully developed spermatozoa from various invertebrate and vertebrate species, and. Figs. 148-153.—Male gametes of various plants: Fig. 148, Sphaerocarpus ter- restris, a livenvort (from Land, unpublished); Fig. 149, Equisetum (from Sharp, '12); Fig. 150, Nephrodkim, a fern (from Yamanouchi, '08); Fig. 151, Zamia, a cycad (from Webber, '01); Fig. 152, Helianthus, sunflower (from Nawaschin, '00); Fig. 153, Sil- phium (from Merrell, '00). in Figs. 158-61 four developmental stages of the guinea-pig sperma- tozoon are given. A few of the aberrant spermatozoan forms among animals are shown in Figs. 162-72. Figs. 162-64 are from. 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
