Kennedy made no reply. Harrington seemed absorbed in thought. A shudder passed over us as we thought about it. But, gruesome as it was, it was evident that the publication of the story in the Record had relieved the feelings of the family group in one respect—it at least seemed to offer an explanation. It was noticeable that the suspicious air with which everyone had regarded everyone else was considerably dispelled. Tom said nothing until the others had withdrawn. "Kennedy," he burst out, then, "do you believe that such combustion is absolutely spontaneous? Don't you believe that something else is necessary to start it?" "I'd rather not express an opinion just yet, Tom," answered Craig carefully. "Now, if you can get Harrington and Doctor Putnam away from the house for a short time, as

