The skull and tusks of the Thurston onnty mastodon, found near Pender, have recently been remounted and added to the long list of mastodons, mammoths, and modern elephants to be seen in the cases of Elephant Hall, in the Nebraska State Museum. When found, the skull, teeth, and tusks were encased in Pleistocene gravel, and were in a state of perfect preservation. Contrary to instruc~on, they were pried out of their bed with poles before the wI ::,ter could reach the spot, and the dome of the skull was ruined. The unbroken palate, however, with teeth in place and undamaged, and with parts of the incisive sheaths and the tusks complete and in proper position, was preserved. ,: Unlike typical forms, the tusks are long, slim, almost straight, cu...