By an examination of the ground I gained the trifling details which I gave to that imbecile Lestrade, as to the personality of the criminal." "But how did you gain them ?" "You know my method.

It is founded upon the observation of trifles." "His height I know that you might roughly judge from the length of his stride.

His boots, too, might be told from their traces." "Yes, they were peculiar boots." "But his lameness ?" "The impression of his right foot was always less distinct than his left.

He put less weight upon it.

Why?
Because he limped--he was lame." "But his left-handedness." "You were yourself struck by the nature of the injury as recorded by the surgeon at the inquest.