d systems of ethics. I have already dimly demarcated a line
between ferocity and greed, and a thing which has yet no name, but which
will in future ages be called Love.

"'_I_ am a constant quantity, but the dim plan I have traced in the
plastic brain will be used by the ever-building years; spires and domes
shall fret the skies, priests unroll their scrolls of papyri, infinite
developments of the simple basic Right and Left laid down by me shall
combine to build a Pantheon of a million shrines to a million gods--who
are yet only three: the tramp of the mastodon, the cry of the child in the
pterodactyl's grip, and myself, who in future years shall be the only
surviving god of the three--Determination.'

* * * * *

"The Pineal Gland had no known function, so Descartes declared it to be
the seat of the soul. 'There is nothing in here. Let us put something in,'
and he put in the idea of the soul. That was the old method.

"Morphology teaches us now that the Pineal Gland is the last vestige of an
eye which once belonged to a reptile long extinct. That is the new method;
the results are not so pretty, but they are more exact."

* * * * *

"You have finished your post-graduate work, and I suppose you are about to
leave Paris like the others. Have you any plans?"

The lecture was over, the audience was pouring out of the theatre, and
Adams was talking to Thenard, whom he knew personally.

"Well, no," said Adams. "None very fixed just at present. Of course I
shall practise in my own country, but I can't quite see the opening yet."

CHAPTER II

DR. DUTHIL

Thenard, with his case-book and a bundle of papers under his arm, stood
for a moment in thought. Then he suddenly raised his chin.

"How would you like to go on a big-game shooting expedition to the
Congo?"

"Ask a child would it like pie," said the American, speaking in English.
Then, in French, "Immensely, monsieur. Only it is impossible."

"Why?"

"Money."

"Ah, that's just it," said Thenard. "A patient of mine, Captain Berselius,
is starting on a big-game shooting expedition to the Congo. He requires a
medical man to accompany him, and the salary is two thousand francs a
month and all things found----"

Adams's eyes lit up.

"Two thousand a month!"

"Yes; he is a very rich man. His wife is a patient of mine. When I was
visiting her yesterday the Captain put