now on foot? Don't you know that fresh explorers are
advancing toward the centre of Africa?"

"Still--"

"Listen to me, Dick," and cast your eyes over that map."

Dick glanced over it, with resignation.

"Now, ascend the course of the Nile."

"I have ascended it," replied the Scotchman, with
docility.

"Stop at Gondokoro."

"I am there."

And Kennedy thought to himself how easy such a trip
was--on the map!

"Now, take one of the points of these dividers and let it rest
upon that place beyond which the most daring explorers have
scarcely gone."

"I have done so."

"And now look along the coast for the island of Zanzibar,
in latitude six degrees south."