SMITHSONIAN MISCEllANEOUS COLIECTIONS 



VOL. 89, NO. 6, PL. 



Fig. I. — Rio liulin, a small tidal tril)iitar\ ol' tlio kin C'lia^rcs near (.aluii, Canal 

 Zone. A favoraI)ic coUcctinti urouiul for nianimals and birds. 



Fig. 2. — Tidal forest along lower course of Rio Chagres, showing trees with 

 characteristic butiressed bases and aerial roots. 



