/<'/&. 
V 
Emerson, who was with me, said that when it crossed an opening 
it looked to him like a dark line several yards in length and 
that his eye utterly failed to record it as the small, 
swiftly moving object which his brain assured him it must be. 
This was exactly the impression it made on me. It passed 
us at a distance of about 100 yards. 
9 
