"Yes; and you will note that it is at the end of what looks like a river."
"But that must be a road."
"It is, if this is a map, for it runs over that range of hills, or mountains."
"That is plain enough."
"And you will see there is a tiny, snake-like thread that winds away from that spot, which looks as if it was intended for a lake."
"I see it."
"That must be a river, or stream."
The boys were now very excited. All doubts were fading from their minds; the lines on the black stone had surely been intended to represent a map.
But what portion of the face of the earth did it portray? That was a question the ring did not answer.
"Supposing it is a map," said Frank, helplessly; "what good will it do me? I do not know what it is a map of."