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hushed tone peculiar to lovers; but I seemed to be the object of their talk, for the workman turned and stared at me as I passed. They parted.
"The workman walked on for twenty steps, then he turned on his heel and walked back exactly on a line with me, seemingly bent on meeting me face to face.
"I looked at him. He was a brawny man, with massive features; clearly, a fine specimen of a male. As he passed by me he clenched his powerful fist, doubled his muscular arm at the elbow, and then moved it vertically hither and thither for a few times, like a piston-rod in action, as it slipped in and out of the cylinder.
"Some signs are so evidently clear and full of meaning that no initiation is needed to understand them. This workman's sign was one of them.
"Now I knew who all these night-walkers were. Why they so persistently stared at me, and the meaning of all their little tricks to catch my attention. Was I dreaming? I looked around. The workman had stopped, and he repeated his request in a different way. He shut his left fist, then
