"Don Mario!" Rosa interrupted. "I don't know what you are talking about." "You don't, eh?" The caller's wet cheeks grew redder; he blew like a porpoise. "Then call Esteban quickly! There is not a moment to lose." When the brother appeared De Castano blurted out at him accusingly: "Well, sir! A fine fix you've put yourself in. I came here to warn you, but Rosa pretends ignorance. Perhaps you will be interested to learn that Colonel Fernandez has issued orders to arrest you and your sister as agents of the Insurrectos." "What?" Esteban drew back. Rosa turned white as a lily and laid a fluttering hand upon her throat. "You two will sleep to-night in San Severino," grimly announced the rotund visitor. "You know what that means. Cubans who enter the Castillo seldom come out. Have you noticed the big sharks that swim about under the walls of it? Do you know what bait keeps them there? Well, I'll tell you! It's the bodies of rebel sympathizers--foolish people like you who call themselves patriots." Rosa uttered a smothered cry. "Colonel Fernandez," Don Mario proceeded, impressively, "did me this favor, knowing me to be a suitor for Rosa's hand. In spite of his duty and the evidence he--" "Evidence? What evidence?" Esteban asked, sharply. "For one thing, your own letter to Lopez, the rebel, warning him to beware of the trap prepared for him in Santa Clara, and advising him of the Government force at Sabanilla. Oh, don't try to deny it! I read it with my own eyes, and it means--death." In the ensuing silence the fat man's asthmatic breathing sounded loudly; it was like the respirations of an excited eavesdropper. At last Rosa said, faintly: "Esteban! I warned you." Esteban was taken aback, but it was plain that he was not in the least frightened. "They haven't caught me yet," he laughed. "You say they intend to arrest me also?" Rosa eyed the caller anxiously. "Exactly!" "But why?" "Yes! Who accuses her, and of what?" Esteban indignantly demanded. "That also I have discovered through the courtesy of Colonel Fernandez. Your accuser is none other than Pancho Cueto." "Cueto!" "Yes, he has denounced both of you as rebels, and the letter is only part of his proof, I believe. I don't know what other evidence he has, but, take my word for it, the Government does not require much proof these days. Suspicion is enough. Now, then, you can guess why I am here. I am not without influence; I can save Rosa, but for you, Esteban, I fear I can do nothing. You must look out for yourself. Well? What do you say? We're wasting precious time standing here with our mouths open." When Esteban saw how pale his sister had grown, he took her in his arms, saying, gently: "I'm sorry, dear. It's all my fault." Then to the merchant, "It was very good of you to warn us."