220 
NOTES OF A BOTANIST 
CHAP. XIX 
original intention seems to have been for a hand- 
rail, but the bridge has so sunk away from them 
that they can only be reached here and there even 
by a very tall man." 
[These are the only references I can find to the 
dangerous bridges in the Andes, which Spruce 
must have so frequently had to cross in his numerous 
excursions.] 
