. Carnegie Institution of Washington publication. 268 FOSSIL TURTLES OF NORTH AMERICA. appeals to be missing. The figure presents the inner, or visceral, surface. This bone is 4 mm. thick at its anterior border, but toward the other border it thickens greatly, so that a little beyond the middle of the width the thickness is 10 mm. From the line of its greatest thickness the bone is beveled off on the inner side to its hinder border, and against this beveled surface the sixth costal has articulated. A strongly developt buttress from the plastron ascended against the inner surfaces of these two
. Carnegie Institution of Washington publication. 268 FOSSIL TURTLES OF NORTH AMERICA. appeals to be missing. The figure presents the inner, or visceral, surface. This bone is 4 mm. thick at its anterior border, but toward the other border it thickens greatly, so that a little beyond the middle of the width the thickness is 10 mm. From the line of its greatest thickness the bone is beveled off on the inner side to its hinder border, and against this beveled surface the sixth costal has articulated. A strongly developt buttress from the plastron ascended against the inner surfaces of these two costals at their junction. The scar for this buttress on the fifth costal here figured is 20 mm. long. The plastron was therefore articulated with the. 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, bookyear1908
