The osteology of the Chalicotheroidea with special reference to a mounted skeleton of Moropus elatus Marsh, now installed in the Carnegie museum

CARNEGIE MUSEUM.while examining the two small buttes, which lie about three hundred yards south of Quany A, Mr. Peterson discovered that in both of them at about the same level were extensive outcrops of a stratum containing fossil bones, fragments of which were very abundant in the talus.Mr. Peterson called the attention of Mr. James H. Cook to these spots and Mr. Cook then stated that he had observed these fragments some years before, but had mistaken them at the time for the remains of "Indian horses."Mr. Peterson, who was not well, was only able to work for about a fortnight, and left for his home in Pittsburgh on the 10th of August.Mr. Cook was informed by Mr. Peterson prior to his departure that a party from the Carnegie Museum would return in the following spring to make systematic excavations.Mr. Cook, impelled by curiosity, undertook after the withdrawal of Mr. Peterson to make some excavations