mediate demise. No one has the slightest reason for killing me—unless, of course, it's some of my former bridge partners. But they're all harmless persons who wouldn't be apt to take extreme measures."
"Still"—Vance kept his tone inconsequential—"no one apparently had any reason for harming your two sisters or your brother."
"On that point I couldn't be altogether lucid. We Greenes don't confide in one another. There's a beastly spirit of distrust in this ancestral domain. We all lie to each other on general principles. And as for secrets! Each member of the family is a kind of Masonic Order in himself. Surely there's some reason for all these shootings. I simply can't imagine any one indulging himself in this fashion for the mere purpose of pistol practice."
She smoked a moment pensively, and went on:
"Yes, there must be a motive back of it all—though for the life of me I can't suggest one. Of course Julia was a vinegary, unpleasant person, but she went out very little, and worked off her various complexes on the family. And yet, she may have been leading a double life for all I know. When these sour old maids break loose from their inhibitions I understand they do the most utterly utter things. But I just can't bring my mind to picture Julia with a bevy of jealous Romeos." She made a comical grimace at the thought. "Ada, on the other hand, is what we used to call in algebra an unknown quantity. No one but dad knew where she came from, and he would never tell. To be sure, she doesn't get much time to run around—mother keeps her too busy. But she's young and good-
