better to-night. She has been frightfully upset about little Gretchen. She's a doughty old soul; motherly and all that. And she couldn't bear to think of the future Lady Vere de Vere being suspected. . . . Wonder why she worried so?" And he gave Markham a sly look.
Nothing further was said until after dinner, which we ate in the Roof Garden. We had pushed back our chairs, and sat looking out over the tree-tops of Madison Square.
"Now, Markham," said Vance, "give over all prejudices, and consider the situation judiciously—as you lawyers euphemistically put it. . . . To begin with, we now know why Mrs. Platz was so worried at your question regarding fire-arms, and why she was upset by my ref'rence to her personal int'rest in Benson's tea-companion. So, those two mysteries are elim'nated. . . ."
"How did you find out about her relation to the girl?" interjected Markham.
"'T was my ogling did it." Vance gave him a reproving look. "You recall that I 'ogled' the young lady at our first meeting,—but I forgive you. . . . And you remember our little discussion about cranial idiosyncrasies? Miss Hoffman, I noticed at once, possessed all the physical formations of Benson's housekeeper. She was brachycephalic; she had over-articulated cheek-bones, an orthognathous jaw, a low flat parietal structure, and a mesorrhinian nose. . . . Then I looked for her ear, for I had noted that Mrs. Platz had the pointed, lobeless, 'satyr' ear—sometimes called the Darwin ear. These ears run in families; and when I saw that Miss Hoff-
