The size of the pool, and the fact that the murderer carried an open umbrella to shield him, prove pretty conclusively that he made his entrance into the room during the time the rain was falling heaviest--which was between 11.10 p.m.and 11.30.
"We now come to what is the most important discovery of all--the pieces of candle-grease we found in the murdered man's bedroom.

They help to establish two curious facts, the least important of which is that somebody tried to light the gas in Mr.Glenthorpe's room last night, and, failing to do so, went downstairs and turned on the gas at the meter." "What if they did ?" grunted Superintendent Galloway, pouring out another glass of brandy.

He was secretly annoyed at having overlooked the clue of the umbrella silk, and was human enough to be angry with the detective for opening his eyes to the fact.

"I don't see how you're going to prove it, and, even if you did, it doesn't matter a dump one way or the other." "We'll let that point go," rejoined Colwyn curtly.

"Your attitude in shutting your eyes to facts hardly encourages me to proceed, but I'll try.