fellow-savant, Dr. Artemus Todd, of the West Baden University.

Professor Henderson and Dr. Todd had often exchanged courtesies; but
the university doctor was mainly interested in medical subjects, while
Mr. Henderson delved more in the mysteries of astronomy and practical
mechanics.

The doctor's letter to Professor Henderson read as follows:

"Dear Professor:

"I am urged to write to you again because of something that has recently
come to my knowledge regarding a subject we once discussed. As you
know, for some years past I have been investigating not the _cause_
of aphasia and kindred mental troubles (for we know the condition is
brought about by a clot of blood upon the brain), but the means of
quickly and surely overcoming the condition and bringing the unfortunate
victim of this disorder back to his normal state. In our age, when
mental and nervous diseases are so rapidly increasing, aphasia victims
are becoming more common. Scarcely a hospital in the land that does
not have its quota of such patients under treatment--patients who, in
many cases, have completely forgotten who and what they are and have
assumed a totally different identity from that they began life with."

"We know that, in some cases, hypnotism has benefited the aphasia and
amnesia victim. His condition is not like that of the mentally feeble;
he has merely lost his memory of what and who he previously was.
Believing that all disease, of whatsoever nature, can be safely treated
only through the blood, _this_ ill to which human flesh is heir
particularly must be treated in that way, for we know that a stagnant