. A manual of zoology. Zoology. Fio. 395.—Two stages of the germinal area of Sepia. (From Balfour, .ifter Kolliker.) an, anus; fcr, ctenidia ; /, siphon folds ; m, mouth ; mt, mantle with shell gland ; oe, eye ; 2?, head lol>es ; J-r^ Fig .3'.)e —Embryos of LoUiji) prMei (orig.). a, arms ; f, eyes; /, fln ; y, ctenidia ; h, ot- ocyst; »i, mantle ; .s, siphonal folds and siphon ; i\ anus ; y, yolk sac. tial discoidal segmentation (fig. 103). The blastoderm, on the end of the ovalet'C' forms the anlagen of the separate organs (eyes, arras, siphon, and. Please note that these images are


. A manual of zoology. Zoology. Fio. 395.—Two stages of the germinal area of Sepia. (From Balfour, .ifter Kolliker.) an, anus; fcr, ctenidia ; /, siphon folds ; m, mouth ; mt, mantle with shell gland ; oe, eye ; 2?, head lol>es ; J-r^ Fig .3'.)e —Embryos of LoUiji) prMei (orig.). a, arms ; f, eyes; /, fln ; y, ctenidia ; h, ot- ocyst; »i, mantle ; .s, siphonal folds and siphon ; i\ anus ; y, yolk sac. tial discoidal segmentation (fig. 103). The blastoderm, on the end of the ovalet'C' forms the anlagen of the separate organs (eyes, arras, siphon, and. 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 Hertwig, Richard, 1850-1937; Kingsley, J. S. (John Sterling), 1854-1929. New York, H. Holt and Company


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1902