. Carnegie Institution of Washington publication. . Figs. 73 w- Wedge-shaped mass of yolk which comes to pass into ihe ventral wall of the gut 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 Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

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Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1900, bookyear1906