"I never want to see another gorilla," shuddered Dave.
"And I never want to shoot one," responded Bob.
Along the ravine went the young diver, carrying his friend upon his shoulder.
Two hundred feet of the rough way was covered when they reached a spot where the ravine might be crossed with ease.
Over they went, and then Dave set down his burden and took a well-earned rest.
By this time night was coming on, and still they were at least half a mile from the sea-coast.
"We won't gain the Swallow to-day," murmured the young diver, ruefully.
"And perhaps we won't gain the ship at all," responded the young engineer.
As is usual in the tropics, night came on suddenly. The sun went down behind the trees and the rim of the distant ocean, and soon the stars shone out clearly and beautifully.
All was quiet save for the sounds of the night birds in the thicket behind them.