. A critique of the theory of evolution. Evolution. S2 THEORY OF EVOLUTION It has been found that the cleavage pattern lias the same general arrangement in the early stages of flat worms, annelids and molluscs (fig. 12). Obviously these stages have never. 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 Morgan, Thomas Hunt, 1866-; Princeton University. Louis Clark Vanuxem Foundation. Princeton University Press; [etc. ]

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectevoluti, bookyear1916