THE FOSSIL MAN OF LANSING, KANSAS. 



469 



about twenty feet, and the elevation of the terrace or knoll, between the 

 tunnel and river bank, is about ten feet greater. 



The present course of the Missouri River is at the opposite side of 

 the flood plain a mile or more distant. Until within a few years, 

 however, the river flowed within a few hundred yards of the entrance 

 of the cave. In 1881, the year of the highest water known in the river 

 at this place since 18-14, the water reached to within about seventy-five 

 feet of the cave entrance, and to within twelve and a half feet of the 



View in the Mouth of the Tributary Valley looking out upon the Missouri 

 Bottoms and showing the Entrance to the Tunnel at the Extreme Right. From a 

 photograph by Professor Chamberlin. 



horizon of the skeleton, as determined from Mr. Martin Concannon's 

 testimony. 



The bones discovered in the excavation belong to two different 

 skeletons. One of these skeletons is represented by a single bone, the 

 left upper maxilla, belonging to a child about nine years of age, as 

 determined by the teeth, of which the permanent incisors and first 

 molar were fully erupted, while the deciduous molars were much worn. 

 This bone was found about sixty feet from the entrance of the cave, 



