Castillo.
Capture of Castillo by Nelson.
India-rubber trade.
Rubber-men.
Method of making india-rubber.
Congo monkeys.
Macaws.
The Savallo river.
Endurance of the boatmen.
San Carlos.
Interoceanic canal.
Advantages of the Nicaraguan route.
The Rio Frio.
Stories about the wild Indians.
Indian captive children.
Expeditions up the Rio Frio.
American river steamboats.

AFTER breakfast we again continued our voyage up the river, and
passed the mouth of the San Carlos, another large stream running
down from the interior of Costa Rica. Soon after we heard some wild
pigs (Dicoteles tajacu) or Wari, as they are called by the natives,
striking their teeth together in the wood, and one of the boatmen
leaping on shore soon shot one, which he brought on board after
cutting out a gland on its back that emits a musky odour, and we
afterwards had it cooked for our dinner. These Wari go in herds of
from fifty to one hundred. They are said to assist each other
against the attacks of the jaguar, but that wary animal is too
intelligent for them. He sits quietly upon a branch of a tree until
the Wari come underneath; then jumping down kills one by breaking