'That is so obvious, Sey,' my brother-in-law observed, in a most aggrieved tone, 'that I should have thought any secretary worth his salt would have arrived at it instantly.'
I abstained from remarking that Charles himself had not arrived at it even now, until I told him. I thought that to say so would serve no good purpose. So I merely went on: 'Well, it seems to me likely that when he came as Medhurst, with his hair cut short, he was really wearing his own natural crop, in its simplest form and of its native hue. By now it has had time to grow long and bushy. When he was David Granton, no doubt, he clipped it to an intermediate length, trimmed his beard and moustache, and dyed them all red, to a fine Scotch colour. As the Seer, again, he wore his hair much the same as Elihu's; only, to suit the character, more combed and fluffy. As the little curate, he darkened it and plastered it down. As Von Lebenstein, he shaved close, but cultivated his moustache to its utmost dimensions, and dyed it black after the Tyrolese fashion. He need never have had a wig; his own natural hair would throughout have been sufficient, allowing for intervals.'
'You're right, Sey,' my brother-in-law said, growing almost friendly. 'I will do you the justice to admit that's the nearest thing we have yet struck out to an idea for tracking him.'
On the Saturday morning a letter arrived which relieved us a little from our momentary tension. It
