like so many insects, and a fresh consultation would be held. By degrees we appeared to contract our search within narrower and easier limits. Single police-officers on duty could now tell Mr. Bucket what he wanted to know and point to him where to go. At last we stopped for a rather long conversation between him and one of these men, which I supposed to be satisfactory from his manner of nodding from time to time. When it was finished he came to me looking very busy and very attentive.

"Now, Miss Summerson," he said to me, "you won't be alarmed whatever comes off, I know. It's not necessary for me to give you any further caution than to tell you that we have marked this person down and that you may be of use to me before I know it myself. I don't like to ask such a thing, my dear, but would you walk a little way?"