"Geology, sir; the same book which you have been studying. By the way, did you ever learn about the Neanderthal man whose skull was found in a cave in the Neanderthal Valley, with the bones of a bear? The man must have lived contemporary with Adam, and it seems that the bear——"
"Were the bones of that man and bear found in this place?"
"No! No! Do not get excited."
"But you said they were found in Mendenthal Valley."
"I said Neanderthal, where a prehistoric race once lived, but really where the bones were found closely resembles this place as well as the name, for I have been there. It is in Prussia. Now let me illustrate by our presence here, what may once have occured in the Neanderthal Valley. Suppose one of those ferocious she-bears should come spat upon us now and the guide and I should escape, while she dragged your mangled corpse——"
"Bah-aa-aa," roared the guide.
"What are you laughing at, you great fool?" said Archibald.
"Laughing to see your eyes bulge out."
"Please do not speak that way to Mr. Archibald," I said, "he knows we're in no danger, so long as there's plenty of trees to climb."