WHY, I did not know; but it was growing certain that a life-long duel was in progress between these two--a duel of some strange and mysterious import.
The first approach to a solution of the problem which I obtained came a week or two later.

Sebastian was engaged in observing a case where certain unusual symptoms had suddenly supervened.

It was a case of some obscure affection of the heart.

I will not trouble you here with the particular details.

We all suspected a tendency to aneurism.