As his penetrating glance rested on the exquisite face which confronted him across the “pale specter of the salt,” he kept asking himself, with inward anguish, why it was that he had not circumvented this adventurer sooner, before the young, girlish creature he saw before him had involved her fate with that of the guilty.

Beautiful as our dreamiest fancies of Spanish women she was, according to the report of Mr. Burton, and he was no enthusiast. He saw that she was as uneasy as a bird which misses its mate, her black eyes constantly wandering to the door, and her ear so preoccupied with listening for the expected step as scarcely to take note of the remarks made to her by the stranger. Once she asked him, with much interest, if he had known Dr. Seltzer in New York, but upon his answering in the negative, he could guess that he had fallen in her esteem, for she immediately withdrew her attention from him.

The senses of the guest were all keenly on the alert; but it was by the sudden fire which leaped and melted in the eyes of the Donna, and the rich color which shot into her hitherto olive cheek, that he was informed of the approach of her husband. She had heard the rapid gallop of his horse afar off, and now sat; mute and expectant, until he should arrive at the gate, cross the veranda and enter the room. In three minutes he stood in the supper-room. The visitor met him just in the manner he would have most desired—when the man was entirely unwarned of company, and had no chance to put on a mask. Outwardly Mr. Burton was serene as a summer day, but inwardly his teeth were set upon each other to keep his tongue from crying out—“This is the man!” When Dr. Seltzer first perceived a stranger in the room, and heard his father-in-law say, “A countryman of yours, from New York, doctor,” his slight start of surprise would, to most persons, have appeared no more than natural; but the person whose courteous eye met his, saw in it the first impulse of an ever-ready apprehension—an alarm, covered instantly by a false warmth of manner which caused him to greet the stranger with extreme friendliness.

The new-comer retired for a moment to his room to prepare for the meal; upon his taking his place at table, hot dishes were brought in; the Donna seemed also to have recovered her appetite, which had been spoiled by his absence; a gay and social hour followed.

Dr. Seltzer might have been good-looking had his eyes not possessed the shifting, uncertain glance that plays before a soul which dares not frankly meet its fellows, and had not an evil expression predominated on his features. His face was one which would have been distrusted in any intelligent company of our own people; but the Spaniards, with whom he was now associated, were so accustomed to treachery and untruth among their race, and so familiar with kindred features and subtle black eyes, that he, doubtless, had never impressed them unfavorably. A Spaniard he was at heart, and he had found, in his present life, a congenial sphere. Not that all Spaniards are necessarily murderers—but their code of right and wrong is different from ours. Don Miguel was an excellent gentleman, honorable, to an unusual degree for a Mexican, real and sanguine in his feelings, and thoroughly deceived as to the character and acquirements of the person to whom he had confided so much. It was the bitter flavor in the cup of his assured triumph that Mr. Burton, in bringing the villain to bay, must shock this amiable host, and ruin the happiness of his innocent child.

After supper, they sat on the veranda a couple of hours. The half-filled moon sunk down behind the groves of fragrant trees; the stars burned in the sky, large, and, to a Northern eye, preternaturally bright; the wind was luscious with warmth and sweetness; and the beautiful woman, whose soft eyes dwelt ever on the face of her husband, looked yet more lovely in the clear moonlight. (Through all the earnestness of his story, my friend dwelt on these details, because he observed them at the time, and they became a part of the narrative in his mind.)

The conversation was principally upon mining. Mr. Burton had sufficient scientific knowledge to make it apparent that his exploring expedition was for the purpose of adding to that knowledge. Before they separated for the night, Dr. Seltzer had promised to escort him, on the following day, over all the mountainous portion of the ranch.

The visitor retired early, being fatigued with his journey; but he did not sleep as quietly as usual. He was disturbed by the onerous duty to which he had devoted himself. Visions of the Donna, pale with grief and reproach, and of the interview which he had resolved upon with the murderer, alone on the mountainside, when, by the force of will, and the suddenness of the accusation, he expected to wring from him the desired confession—kept him long awake. Once he half rose in his bed; for, lying in that feverish condition when all the senses are exalted, he heard, or fancied he heard, the handle of the door turned, and a person step silently into the apartment. Knowing the thievish propensities of the Spanish servants, he had no doubt but one of these had entered for purposes of robbery; he therefore remained quiet, but ready to pounce upon the intruder should he detect him approaching the bed. The room was entirely dark, the moon having set some time before. Whether he made some sound when rising on his couch, or whether the visitor gave up his purpose at the last moment, he could only conjecture; after some moments of absolute silence he heard the door drawn softly together again, and was conscious of being alone. Soon after this he dropped asleep, and awoke in the dawn to find his purse and garments undisturbed.

He was summoned to an early breakfast, which was partaken of by the two excursionists alone; his companion was, if possible, more social and friendly than on the previous evening. It was yet hardly sunrise when they arose from the table to mount the horses which awaited them at the door. A basket of lunch was attached to the pummel of Dr. Seltzer’s saddle, whose parting injunction to the servant was to have dinner at four, as they should stand in need of it upon their return. Then, through a world of dew, coolness and perfume, glittering with the first rays of the sun, the two men rode off toward the mountains.

After following a good road some five or six miles, they commenced climbing the first of the series of hills of which mention has been made. The road here was still tolerable; but when they advanced into the immediate region of the mines they were compelled to abandon their horses, which were left at a small building, belonging to the ranch, and to proceed on foot into the mountain gorges.