"But you must, child," said Mrs. Cartwright, smiling. "I am betting on you and Hugh in the tournament, and you mustn't make me lose my box of candy."

"Barbara," said Ralph, shyly, as they walked off toward home a little later, "I don't like to ask you, but did you mean to miss those last serves?"

Barbara shook her head. "No," she said, "I don't think I meant to. I don't know. But they were the best players, weren't they, Ralph?"

"Certainly," Ralph answered.

CHAPTER XV-RUTH IN DANGER

Hugh, looking much embarra.s.sed, came up early next morning to see Ruth.

"I have an invitation to deliver to you, Ruth, but I am rather ashamed to do it, for I am afraid you will be angry. Mother told me to come over and ask Miss Stuart and yourself and the girls-except Barbara-to come out with us for the day on the yacht."

"Why, Hugh Post!" cried Ruth. "What do you mean?"

"Well, it's like this," Hugh said, desperately; "mother told me to explain to you exactly how things stand, so you will not think her rude.

You see, mother is visiting Mrs. Erwin, and of course Mrs. Erwin, Gladys, and her devoted Harry Townsend have to go along on the yacht with us. Well, Gladys told mother that neither she nor Mr. Townsend could go if Barbara went. Gladys would not tell mother why, and, as you told me to keep that scene in the conservatory a secret, I didn't know what it was wisest for me to do."

"Thank you," Ruth answered; "but tell your mother that none of us can accept."

"O Ruth!" exclaimed Hugh. "I am fearfully disappointed, and mother I know will be angry."

"I am afraid I don't care, Hugh," was Ruth's reply. "I don't like your mother's inviting any of us, if she had to leave Bab out."

As Hugh turned to leave the front porch, where he had found Ruth alone, she called after him: "Wait a minute, please. I don't know what to tell Aunt Sallie. Your mother will be sure to speak to her of her invitation, and Auntie will think I should have let her refuse for herself. Oh, I know!"

Ruth's face cleared. "I will go tell Aunt Sallie that she and Grace and Mollie are asked. I'll stay with my dear Bab," she finished a little defiantly. "If I am also left out of the party, no one will think anything of it."

"Oh, I say, Ruth," Hugh urged, "please come."

"Sorry," she said, shaking her head decidedly.

"I expect you're right," Hugh replied.

Miss Sallie, Mollie and Grace accepted Mrs. Post's invitation with pleasure. As Mrs. Post's yacht was small, they did not think it strange that the other two girls were left out.

How angry Mollie would have been, had she guessed the truth. Not a step would she have gone. As it was, she begged Barbara to go in her place.

But Bab was too clever. She understood what had happened, and was glad to be left out of the party. She put her arm around Ruth's waist, whispering coaxingly: "Do go along with the others, old story-teller.

You know you were asked."

Ruth shook her head decidedly. "Not on your life," she slangily retorted. Fortunately, Miss Sallie did not hear her.

"What shall we do this afternoon, Bab?" inquired Ruth after luncheon.

"Suppose you and I go for a long walk?"

"Don't think I am a lazy good-for-nothing, Ruth," Barbara begged, "but I have a little headache, and I must write to mother. Mollie and I have been neglecting her shamefully of late. I haven't even written her about the wonderful ball."

"Are you going to tell her what happened, Bab?" Ruth inquired.

"I suppose so," sighed Bab. She was half inclined to discuss the unfortunate affair with Ruth, but changed her mind.

"Well, Bab," Ruth declared, "I shall go for the walk 'all by my lonesomes.' I'll be back in time for dinner. The others are to dine on the yacht, so we need not look for them until bedtime. I think I'll take the cliff walk, for the sea is so splendid to-day."

Left alone, Barbara got out her writing materials and sat down by the window, but she did not begin to write.

"I wonder," she asked herself, "why we have been mixed up in burglaries ever since Ruth began talking about our trip to Newport? First, our poor little twenty-dollar gold-pieces disappear; then we have that dreadful robber at New Haven. Now Mrs. Post's emerald necklace is stolen! It could not all have been Mr. Townsend!" Barbara sat with her hands clenched.

"If it is true," she went on, "and I saw the necklace disappear with my own eyes, then we have another Raffles to deal with. Mr. Raffles, the second! I believe I am the only person that suspects him. Well, Mr.

Harry Townsend!" Barbara's red lips tightened, "you are successful now, but we shall see whose wits are better, yours or mine!"

Barbara's face turned a deep crimson. "I understood. He wanted to suggest I was the thief. Only he didn't dare to accuse me openly the other night. I won't tell mother," Barbara at last decided. "I'll just watch-and wait!"

Barbara wrote her mother a long, happy letter, without a hint of the troubles she began to feel closing in on her. Then she straightened her own and Mollie's bureau drawers and arranged their clothes in the two closets. Still Ruth did not come.

Twice Barbara went into her room. It was half past five-six-Mrs. Ewing's early dinner was served at half after six.

"Mrs. Ewing," Barbara said, knocking timidly at her door. "Have you seen anything of Ruth? She has been gone such a long time that I am worried about her."

But Mrs. Ewing knew nothing of her.

"I believe I'll go to meet her," said Barbara, "and hurry her along. She must be on her way home." Ralph was on the yacht with Hugh, or Barbara would have asked him to accompany her.

For the first half mile along the cliff walk Barbara strolled slowly, expecting every moment to see Ruth hurrying along. As the walk dipped down into hollows and rose again in the high places, it was difficult to see any distance ahead.

The walk was entirely deserted, and Bab's heart commenced to beat faster as the darkness began to gather.

"I suppose," thought Barbara, "Ruth has gone somewhere to make a visit, and has stayed late without thinking. She's probably at home, now, waiting for me, so I'll get the scolding from Mrs. Ewing for being late to dinner. I believe I'll go on back home." Barbara actually turned and started in the opposite direction.

Something within her seemed to call: "Bab! Bab!" The voice was so urgent she was frightened. "Ruth needs you," it seemed to say.

Bab began calling aloud, "Ruth! Ruth!" Her voice sounded high and shrill in her own ears; but only the echo answered her, and the noise of the waves pounding against the sh.o.r.e. She could see the distant lights in the houses along the way, but Barbara dared not stop to ask for help while that inner voice urged her on.

Barbara was running, now, along the narrow, difficult path. "O Ruth, dear Ruth!" she cried. "Why don't you answer me? Are you anywhere, needing me?" She heard a low sound and stopped. Nothing but her own imagination! There were always queer noises along the cliff sh.o.r.e, where the water swirled into little eddies and gurgled out again.

Barbara waited. She heard nothing more, so she plunged on. Suddenly she drew back with a gasp of horror. Part of the cliff walk had disappeared!

Where a bridge of stone had spanned a narrow chasm there was a terrible, yawning hole. Jutting out their vicious arms were rocks, rocks, forming a sheer drop of seventy feet to the beach below.

Involuntarily, Barbara had flung herself down on her hands and knees to keep from falling over into the abyss.

"Ruth couldn't have," she thought. "No, no!" But hark! Was that again the low moaning sound of the waters? Barbara lay flat on the rocks, stretching her head over the embankment. There, in a cleft between two great rocks, fifteen feet below her, a dark object hung!

"Ruth! Ruth!" Bab called, her voice coming from her throat in a hoa.r.s.e cry. Again she heard the faint moan. This time she knew the sound. It was Ruth! What could she do? Run for help? Any second, Bab realized, Ruth's strength might fail, and she would let go her grasp. Barbara could not bear to think of the horrible end.