"No."
"Have you forgotten the skull with the inscription on it?"
"Do you mean the skull we found on the headland at the eastern end of the island?"
"Yes."
"Why, what is that for? Do you think it has anything to do with the box?"
"Probably not; but I was curious to examine it further in view of the similarity of the chart and the inscription."
The boys could not possibly understand what was meant by such a reference. While they were talking the Professor entered the room, and remarked, "I have just come from the old fellow, and his reason is returning under the treatment, and he is also better physically."
"Do you mean the paralytic?"
"Yes; but there is one thing which is singular, and that is the constant muttering of the word triangle. This morning I could plainly distinguish several other words, such as 'of' and 'three,' and 'very well,' and parts of other words, showing that in time, if his improvement continues, we may get more information."