74 AT THE NORTH OF BEARCAMP WATER . 
parts of the cave. Now and then a flash of 
lightning showed where the entrance faced the 
east, and where one or two other cracks were 
open between the Cow and its rocky foundation. 
I lay perfectly motionless, pondering upon the 
strange sounds I had heard. My eyes rested 
upon several stones lying in the narrow space 
beyond my feet where the two rocks neared each 
other. Something moved there. A body had 
passed from the shelter of one stone to that 
of another. I held my breath, and watched. 
Again a brownish thing flashed past an open¬ 
ing, came nearer, darted forward into the light, 
vanished, reappeared, came clearly into view, 
shot back, and finally sped across a broad, well- 
lighted face of rock, and revealed itself as a 
large short-tailed mouse, — perhaps an Eastern 
Phenacomys as yet unknown to collectors. Al¬ 
though I did not move for a long time, he failed 
to reappear, and my only companion was a 
gauzy-winged fly which sat upon my knee and 
contemplated the flame of the lantern. 
The rain continuing, I sang and whistled un¬ 
til after ten o’clock, when I crawled to the 
mouth of my cave and looked down into the 
depths beneath. A stone thrown far out, so as 
to clear the first few ledges, might fall eight 
hundred feet before it struck the rocks below. 
As I stared into the darkness, I found that 
