So now, you see, we begin to visualize a large book printed in double columns which are each of a considerable length, since one of the words is numbered in the document as the two hundred and ninety-third.

Have we reached the limits of what reason can supply ?" "I fear that we have." "Surely you do yourself an injustice.

One more coruscation, my dear Watson--yet another brain-wave! Had the volume been an unusual one, he would have sent it to me.

Instead of that, he had intended, before his plans were nipped, to send me the clue in this envelope.

He says so in his note.