LIST OF ILLUSTRATIONS xvu 



Nests of Oropendolas facing page 169 



Ojo de Buey " " 169 



Cecropia Trees " "176 



Trail of Leaf-cutting Ants " "176 



Pieces of Leaves gathered by Leaf-cutters " " 177 



Openings of Nest of Leaf-cutters " " I77 



Leaf-cutting Ants (Phot, by H. A. Walters) " " 184 



Army Ants (Phot, by H. A. Walters) " "185 



Larva of Dragonfly, Cora (Phot, by H. A. Walters) . . " " 185 



The "Farther Waterfall" at Juan Viiias " "192 



The "Nearer Waterfall" at Juan Viiias " "193 



Larvae of Dragonfly, Thaumatoneura (Phot, by H. A. 



Walters) " " 193 



Adults of Dragonfly, Thaumatoneura (Phot, by H. A. 



Walters) " "200 



Pilea " "201 



Myriocarpa " " 201 



Grasshopper, Dellia miniatula (from cut lent by Acad. 



Nat. Sci. of Phila.) "203 



Katydid, Anabropsis costaricensis (from same). ... " 203 



Flowers of Jorquito facing " 216 



Megalopygid caterpillar (from life) " "217 



Walking Stick, Bacteria (from life) " " 217 



Euchroma goliath (from life) " " 224 



Harlequin Beetle (from life) " " 225 



Beetle from Bromeliad (Phot, by H. A. Walters) . . " " 232 

 Antenna Cleaner of Same Beetle (Phot, by H. A. 



Walters) " " 232 



Walking Stick, Ceroys bigibbus (from life) " "232 



Caterpillar from Bromeliad (Phot, by H. A. Walters) . " " 232 



Transformation of Dragonfly, Mecistogaster modestus. . after " 232 



Bromeliads on a Branch of Poro facing " 233 



Bromeliadicolous Ants (Phot, by H. A. Walters) ... " " 233 



Trees with Epiphytes " " 256 



Inflorescence of Wild Ginger " " 257 



Inflorescences of Vijagua and of Heliconias " " 257 



The Banana River Country (from <i United Fruit Co. 



Map) " 299 



Volcano Barba and Coffee Patios facing " 328 



Covering Coffee " " 328 



