CHAPTER III 
Journey up river continued—Wild pigs and jaguar—Bungos—Reach 
Machuca—Castillo—Capture of Castillo by Nelson—India-rubber 
trade—Rubber-men—Method of making india-rudder—Congo 
monkeys—Macaws—tThe Savallo river—Endurance of the boat- 
men—San Carlos—Interoceanic canal—Advantages of the Nicar- 
aguan 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 tajagu) 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 after- 
wards 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 its neck; leaps up into 
the tree again and waits there until the herd depart, when 
he comes down and feeds on the slaughtered Wari in quiet- 
ness. We shortly afterwards passed one of the large boats 
called bungos, that carry down to Greytown the produce 
of the country and take up merchandise and flour. This 
one was laden with cattle and india-rubber. The bungos 
are flat-bottomed boats, about forty feet long and nine feet 
wide. There is generally a little cabin, roofed over at the 
stern, in which the wife of the captain lives. The bungo 
is poled along by twelve bungo-men, who have usually only 
one suit of clothes each, which they do not wear during the 
day, but keep stowed away under the cargo that it may be 
dry to put on at night. Their bronzed, glistening, naked 
bodies, as they ply their long poles together in unison, and 
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