. Carnegie Institution of Washington publication. 237. PLATE 28 236 / Ph *>g f 241 VS ad f 240 238 ph e ph a e Og 239 a w 237a / k og. 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, bookdecade1910, bookyear1910