versation further, perhaps expose his hand before he was ready to play it.
"That woman is concealing something," remarked Kennedy to me as we left the house a few minutes later.
"She at least bears no marks of violence herself of any kind," I commented.
"No," agreed Craig, "no, you are right so far." He added: "I shall be very busy in the laboratory this afternoon, and probably longer. However, drop in at dinner time, and in the meantime, don't say a word to any one, but just use your position on the Star to keep in touch with anything the police authorities may be doing."
It was not a difficult commission, since they did nothing but issue a statement, the net import of which was to let the public know that they were very active, although they had nothing to report.
Kennedy was still busy when I rejoined him, a little late purposely, since I knew that he would be over his head in work.
"What's this—a zoo?" I asked, looking about me as I entered the sanctum that evening.
There were dogs and guinea pigs, rats and mice, a menagerie that would have delighted a small boy. It did not look like the same old laboratory for the investigation of criminal science, though I saw on a second glance that it was the same, that there was the usual hurly-burly of microscopes, test-tubes, and all the paraphernalia that were so mystifying at first but in the end under his skilful hand made the most complicated cases seem stupidly simple.
