SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 69, NO. 5, PL. 



Fig. i. — Rio Indio, a small tidal tributary of the Rio Chagres near Gatun, Canal 

 Zone. A favorable collecting ground for mammals and birds. 



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

 characteristic buttressed bases and aerial roots. 



