CHAPTER V.--THE UNKNOWN QUANTITY
Three days later the detective was again closeted with Inspector Romilly in his room. The latter looked worried and his handsome face was drawn up into a puzzled frown.
"Well, Jackson," he said grimly, "I've read your precious report and if you stop fidgeting with your feet I'll read it over again. I've read it a dozen times already, but I want to read it again as if I'd never read it before. An idea that came to me the very first time that I read it has developed now almost into a certainty. I'll read it out and we'll see how it strikes you."
"Report of watch kept on house of Mr. Charles Eadie, Barton Road, Glenelg.
Monday 9 P.M. Commenced watch in room over garage in garden of Clyde House. Noticed one light burning in front room of white house.
9.45
