SMITHSONIAN EXPLORATIONS, I93I 



135 



Fig. 127. — Pursuit of a fox led to the discovery of the Knight cave which 

 the man in white (seen in the center) is about to enter. 



'. *> 



Fig. 128. — When the cave opening was enlarged to the utmost, unsup- 

 ported rocks were left hanging like Damoclean swords over those who 

 passed in and out. 



