d
the doctor.

"Certainly, I seriously think of it as a possibility, but I want to know
something more about it first. Perhaps I sha'n't believe in medicine
enough to practise it. Perhaps I sha'n't like it well enough. No matter
about that. I wish to study some of your best books on some of the
subjects that most interest me. I know about bones and muscles and all
that, and about digestion and respiration and such things. I want to
study up the nervous system, and learn all about it. I am of the nervous
temperament myself, and perhaps that is the reason. I want to read about
insanity and all that relates to it."

A curious expression flitted across the doctor's features as The Terror
said this.

"Nervous system. Insanity. She has headaches, I know,--all those
large-headed, hard-thinking girls do, as a matter of course; but what
has set her off about insanity and the nervous system? I wonder if any
of her more remote relatives are subject to mental disorder. Bright
people very often have crazy relations. Perhaps some of her friends are
in that way. I wonder whether"--the doctor did not speak any of these
thoughts, and in fact hardly shaped his "whether," for The Terror
interrupted his train of reflection, or rather struck into it in a way
which startled him.

"Where is the first volume of this Medical Cyclopaedia?" she asked,
looking at its empty place on the shelf.

"On my table," the doctor answered. "I have been consulting it."

Lurida flung it open, in her eager way, and turned the pages rapidly
until she came to the one she wanted. The doctor cast his eye on the
beading of the page, and saw the large letters A N T.

"I thought so," he said to himself. "We shall know everything there is
in the books about antipathies now, if we never did before. She has a
special object in studying the nervous system, just as I suspected. I
think she does not care to mention it at this time; but if she finds out
anything of interest she will tell me, if she does anybody. Perhaps
she does not mean to tell anybody. It is a rather delicate business,--a
young girl studying the natural history of a young man. Not quite so
safe as botany or palaeontology!"

Lurida, lately The Terror, now Miss Vincent, had her own plans, and
chose to keep them to herself, for the present, at least. Her hands
were full enough, it might seem, without undertaking the solution of
the great Arrowhead Village enigma. But she was in the most perfect
tra