“Most people shorten it to ‘Mary Lou.’ Yes, I love to dance. That’s a dandy fox trot.”

The girls stepped off, Pauline talking gayly all the time, asking Mary Louise all sorts of questions: where she was from, how long she was going to stay, and so on. Mary Louise answered pleasantly, happy to have found a new friend. It wouldn’t be so bad without Jane, now that she had found a girl near her own age in Philadelphia, although she thought that Pauline was probably nearer twenty-five than twenty. Middle-aged people like Mrs. Hilliard weren’t so good at guessing young people’s ages, unless they had children of their own.

“I wish I could take Pauline into my confidence,” thought Mary Louise, “and have her help me the way Jane did. It would be so much nicer.” But she knew that would not be wise: her father and Mrs. Hilliard wanted her to keep her job a secret. However, she did make it a point to ask Pauline a few questions in return for those she had answered. Not that she was interested in Pauline as a suspect—the girl had only arrived last week, Mrs. Hilliard said—but because she really wanted a young companion while she was in this strange city.

“My parents are dead,” Pauline told her. “I have a rich aunt who usually stays at the Ritz when she’s in Philadelphia, but I don’t care enough about her to live with her. I sort of flit from place to place, and write fashion articles for the magazines whenever my income runs short. I have a pretty good time.”

“Have you ever stayed at Stoddard House before?” asked Mary Louise.

“No, I usually avoid women’s places like Y. W. C. A.’s and girls’ clubs,” was the reply. “But this sort of looked different to me, and I thought I’d give it a try. It’s pretty good, don’t you think?”

“I like it very much.”

By this time half-a-dozen people had entered the room, and two more couples were dancing. Suddenly Mary Louise felt bewildered. How could she possibly get to know so many people in the short space of two weeks and hope to find the thief?

The music changed, and the other dancers left the room. Apparently the dining-room doors were open.

“Gosh, I couldn’t introduce you to any of those women, Mary Lou,” said Pauline. “I don’t know any of their names.”