It will be forwarded to its destination by the same means which I successfully adopted to mystify Mr.Pendril; and it will reach Vauxhall Walk, Lambeth, by the afternoon of to-morrow at the latest.
The letter is short, and to the purpose.

It warns Mr.Noel Vanstone, in the most alarming language, that he is destined to become the victim of a conspiracy; and that the prime mover of it is a young lady who has already held written communication with his father and himself.
It offers him the information necessary to secure his own safety, on condition that he makes it worth the writer's while to run the serious personal risk which such a disclosure will entail on him.

And it ends by stipulating that the answer shall be advertised in the _Times_; shall be addressed to "An Unknown Friend"; and shall state plainly what remuneration Mr.Noel Vanstone offers for the priceless service which it is proposed to render him.
Unless some unexpected complication occurs, this letter places me exactly in the position which it is my present interest to occupy.

If the advertisement appears, and if the remuneration offered is large enough to justify me in going over to the camp of the enemy, over I go.
If no advertisement appears, or if Mr.Noel Vanstone rates my invaluable assistance at too low a figure, here I remain, biding my time till my fair relative wants me, or till I make her want me, which comes to the same thing.

If the anonymous letter falls by any accident into her hands, she will find disparaging allusions in it to myself, purposely introduced to suggest that the writer must be one of the persons whom I addressed while conducting her inquiries.