“She isn’t quite sure of it, but I am!” he returned with a comical air of determination.

“You know her pretty well, then,” chaffed Barry.

“You bet I do! I ought to. She’s my sister’s stepdaughter.”

“Phyllis Lindsay!” cried Barry, involuntarily speaking the name.

“The same,” said Gleason, smiling; “and as I’m due there for dinner, I’ll be toddling now to make myself fine for the event.”

With a general beaming smile of good nature that included all the group, Gleason went away.

For a few moments no one spoke, and then Monroe began, “As I was saying, there are only three motives for murder—and I stick to that. But you were about to say, Pollard——?”

“I was about to say that you have omitted the most frequent and most impelling motive. It doesn’t always result in the fatal stroke, but as a motive, it can’t be beat.”

“Go on—what is it?”

“Just plain dislike.”