. Carnegie Institution of Washington publication. TESTUDINII).*. 459 marginal scutes which occupied the bone. In fig. 615, which represents the posterior end of the peripheral, the outer surface is toward the left hand. In the collection ot turtle remains from Peace Creek, Florida, Dr. Leidy found a thick and rounded peripheral which he thought (Trans. Wagner Free Inst., 11, p. 29) might belong to his earlier publisht Eupachemys obtusa, which he referred to mistakenly under the name ys ratios us. In the collection of the U. S. National Museum at Washington there is a large peripheral


. Carnegie Institution of Washington publication. TESTUDINII).*. 459 marginal scutes which occupied the bone. In fig. 615, which represents the posterior end of the peripheral, the outer surface is toward the left hand. In the collection ot turtle remains from Peace Creek, Florida, Dr. Leidy found a thick and rounded peripheral which he thought (Trans. Wagner Free Inst., 11, p. 29) might belong to his earlier publisht Eupachemys obtusa, which he referred to mistakenly under the name ys ratios us. In the collection of the U. S. National Museum at Washington there is a large peripheral which was collected by Dr. W. H. Dall at Caloosahatchie, Florida. It has a length of 145 mm. The costal border is broken off. The free border is obtuse. The greatest thickness is 37 mm. It is possible that it belongs to the present species. Testudo crassiscutata Leidy. Figs. 616-624. Testudo crassiscutata, Leidy, Trans. Wagner Free Instit., 11, 1889, p. 31, plate vi, figs. 4-7; Bull. U. S. Geol. Surv., No. 84, 1892, p. 129.—Hay, Bibliog. and Cat. Foss. Vert. N. A., 1902, p. 451. The materials described by Dr. Leidy under the above name consisted of a number of fragments of one individual, mingled with a few fragments of the shells of two others. These remains indicated a tortoise whose carapace measured about 1520 mm. in length. The specimens are now in the U. S. National Museum and have the number 986. They were discovered in the Peace Creek beds, at Arcadia, Florida. As the type those bones must be taken which were figured by Dr. Leidy. These are the greater portion of the right epiplastron, KlGS. 616 AND 617.—Testudo crassiscutata. Portions of plastron of type. X£. 616. Portion of anterior lobe. 617. Portion of hinder lobe. 616. wrongly mentioned by Leidv as the left, a portion of the right hyoplastron, the thickened borders of the hinder lobe of the plastron, the left femur, and the left tibia. The anterior lobe of the plastron (fig. 616) had a length of 280 mm., meas


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