"I suppose the poor chap was near-sighted," the officer remarked, indicating the remains of the shattered spectacles; "that might account for his having strayed onto the line."
"Possibly," said Thorndyke. He had already noticed the fragments scattered over a sleeper and the adjacent ballast, and now once more produced his "collecting-box," from which he took another seed envelope. "Would you hand me a pair of forceps, Jervis," he said; "and perhaps you wouldn't mind taking a pair yourself and helping me to gather up these fragments."
As I complied, the inspector looked up curiously.
"There isn't any doubt that these spectacles belonged to the deceased, is there?" he asked. "He certainly wore spectacles, for I saw the mark on his nose."
"Still, there is no harm in verifying the fact," said Thorndyke, and he added to me in a lower tone, "Pick up every particle you can find, Jervis. It may be most important."
"I don't quite see how," I said, groping amongst the shingle by the light of the lantern in search of the tiny splinters of glass.
"Don't you?" returned Thorndyke. "Well, look at these fragments; some of them are a fair size, but many of these on the sleeper are mere grains. And consider their number. Obviously, the condition of the glass does not agree with the
