. Carnegie Institution of Washington publication. . 331- 33°- 329- I ics. 329-331.—Kalhstira costdata. Costals of the type. Xl. 329. Proximal end of costal, second or fourth. 330. Proximal end of costal, showing a carina. 331. Distal end of costal, probably the fifth, showing scar for inguinal buttress of plastron. carapace in a very different way from that seen in other dermatemyds; and a distinct genus is indicated. Portions of 3 neurals are at hand, those represented by Cope's figs. 18, 22, and 25. The first-mentioned (fig. 332) has a width of 22 mm., probably belonged well forward, and was


. Carnegie Institution of Washington publication. . 331- 33°- 329- I ics. 329-331.—Kalhstira costdata. Costals of the type. Xl. 329. Proximal end of costal, second or fourth. 330. Proximal end of costal, showing a carina. 331. Distal end of costal, probably the fifth, showing scar for inguinal buttress of plastron. carapace in a very different way from that seen in other dermatemyds; and a distinct genus is indicated. Portions of 3 neurals are at hand, those represented by Cope's figs. 18, 22, and 25. The first-mentioned (fig. 332) has a width of 22 mm., probably belonged well forward, and was possibly the second. The median carina is barely perceptible. No sulcus crosses the portion present. That part of a neural from which Cope's fig. 25 was drawn (fig. 332a) is narrow and devoid of a carina. It is crost near the fracture bv a narrow and shallow sulcus. It appears quite probable that this is the posterior end of the first neural. At its lateral border it is 5 mm. thick. The neural represented by Cope's fig. 22 (fig. m) apparently belonged to the rear of the carapace, and resembles closely the sixth of Staurotypus salvinii. Its length is 18 mm.;. 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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