CONTENTS 
NICARAGUA 
Rubber Interests in Central America 167 
Witnessing a Waterspout ; Through the Lagoons to the Rub- 
ber Plantations; The Manhattan Plantation* Too Much 
Water Detrimental to Castilloa ; The Rainfall ; Sim Irons' 
Rubber Groves and Cukra Plantations; Careful Tap- 
ping; Four Hundred Thousand Castilloas in This 
Vicinity a Conservative Estimate; A Scale that 
Affects the Rubber Trees; Samples Brought to 
United States and Examined at the Connect- 
icut Agricultural Experiment Station at 
New Haven ; Letters from State Entomol- 
ogist, Connecticut, and Acting Chief 
of Bureau of Entomology at Wash- 
ington; Treatment Suggested for 
Extermination of the Pest. 
COSTA RICA 
A Plantation of Over One Hundred Thousand Castilloas. 1S5 
Bananas the Chief Product of the Country Interplanted with 
Rubber in Many Instances ; Proper Drainage the Onlv Sal- 
vation for Rubber Trees; Watery Latex \ Interest in 
Rubber Planting in Costa Rica Dates Back About 
Twelve Years; Some Plantations That are 
Flourishing. 
PANAMA 
FIRST LETTER 
To Panama in the Rainy Season 201 
Colon ; Along the Panama Canal ; Panama City ; Toboga 
Island ; Quebro Outlaws ; Almost Wrecked ; Ashore at Last ; 
Castilloa Growing Within One Hundred Feet of the 
Shore; Interesting Stories of the Pioneer. 
SECOND LETTER 
Roughing It 213 
Camp Rio Negro; Castilloa Groves; Birds. Animals, and 
Reptiles; Trips of Exploration; Coagulating Rubber with 
Amole Juice; Native Rubber Gathering; Process of 
Tapping and Tools Used ; Trails Cut in Every Direc- 
tion Followed by Long, Hard Tramps. 
