"It'll perhaps convey something to you when you compare that writing with a certain signature which I shall now show you.

This," he continued, as he produced Gilverthwaite's will, and laid it before his visitor, "is the will of the man whose coming to Berwick ushered in all these mysteries.

Now, then--do you see who was one of the witnesses to the will?
Look, man!" Mr.Portlethorpe looked--and was startled out of his peevishness.
"God bless me!" he exclaimed.

"Michael Carstairs!" "Just that," said Mr.Lindsey.

"Now then, compare Michael Carstairs' handwriting with the handwriting of that letter.