The first was to look out for the sea serpent, and the second was to rescue Young Jack Harkaway from the pirates of the Red Sea.
Harry had been experimenting lately in the construction of dynamite shells.
He had invented some of small size, but great explosive power, which could be carried in the coat pocket.
If the deep sea snake made its appearance he determined to use some of these shells upon it.
But this resolve he kept from his companion.
The latter was very voluble.
“Once,” he said, “a black serpent pull down a vessel and eat up thirteen men.”
“That must have been a long time ago,” Harry remarked, he being somewhat incredulous.
“Only last year. My brudder one ob de crew.”
The moon was nearly full.