4Lmi 



The low entrance to limestone cave on the Chilibrillo River opens into a series of long corri- 

 dors and chambers more or less Intercommunicating 



Flash light photograph of bats. They were 

 isolated by species and sexes, each species con- 

 fined to a particular grotto where it was found 

 in hundreds and the bats of each mass all of 

 the same sex 

 244 



Whenever one left the waters of 

 Gatiin Lake the dense, unaltered jungle 

 was at once encountered and no matter 

 how much its beauty was to be admired 

 from the boat, its impenetrability was 

 no less to be deplored. It was useless 

 to attempt to leave the trail without 

 recourse to the machete, the long brush 

 knife of Latin America, and many were 

 the varieties of briars and thorns to be 

 avoided. Once into the thick growth of 

 the jungle, the hunter found it necessary 

 to stand minutes in one spot in order to 

 look into all the arboreal nooks and 

 crannies, so many were the possibilities, 

 so many the great orchid-covered limbs 

 and wide branching trees, and so loath 

 to move the denizens of the jungle. 

 The orchids and epiphytic air plants 

 were very abundant and became so 

 heavy a burden at times as to break 

 down the limb or even the entire tree 

 that harbored them, and not infrequently 

 I witnessed the downfall of some tree 

 overburdened in this manner, once in- 



