in setting out on some excursion as soon as lunch was over and prolonging our wanderings until the falling shadows warned us that it was time to make for home. What these pilgrimages led to—in more ways than one—will eventually appear.
We heard nothing of Scarterfield, the detective, nor of Wing, pressed into his service, for some days after the consultation in Mr. Raven's dining-room. Then, as we were breakfasting one morning, the post-bag was brought in, and Mr. Raven, opening it, presently handed me a letter in an unfamiliar handwriting, the envelope of which bore the post-mark Blyth. I guessed, of course, that it was from Scarterfield, and immediately began to wonder what on earth made him write to me. But there it was—he had written, and here is what he wrote:
"North Sea Hotel,
"Blyth, Northumberland
"April 23, 1912
"Dear Sir:
"You will remember that when we were discussing matters the other night round Mr. Raven's table I mentioned that I intended visiting this town in order to make some inquiries about the man Netherfield who was with the brothers Quick on the Elizabeth Robinson. I have been here two days, and I have made some very curious discoveries. And I am now writing to ask you if you could so far oblige and help me in my investigations as to join me here for a day or two, at once? The fact is, I want your assistance—I understand that you are an expert in deciphering documents and the like, and I have come across certain things here in connection with this case which are beyond me. I can assure you that if you could make it convenient to spare me even a few hours of your valuable time you would put me under great obligations to you.
"Yours truly,
"Thomas Scarterfield."