mindeleff] 



PECULIARLY SHAPED DOORWAYS. 



253 



framed with slabs of sandstone. Plate XLix shows an example that 

 occurs in the upper tier of lodges at its eastern end. The floor of this 



riG.303. — Fraiuid doorway, luvali- loilgi-s. 



lodge is about 2 feet above the bench from which it was entered, and 

 this specimen fails to show a feature which is very common in this group 

 — a line of water-worn bowlders extending from the exterior to the inte- 

 rior of the lodges through the doorway and arranged like stepping 

 stones. This feature is shown in figure 302, which represents the door- 

 way of group -B, shown on the general map (plate xxv) and on the detailed 



