delivered the opinion of the court.
On the road from Yauco to Mayagiiez an automobile was upset and Arturo Rubio Cuebas was killed. The complainants alleged that they were the parents and heirs of the said Arturo Rubio Cuevas and that the death of their son was due to the negligence of the defendant, the Garage Maya-güez, Incorporated, or of its chauffeur, Julio Camacho; that the defendant is a corporation which rents or hires automobiles, and that the particular contract in this case was to drive Rubio Cuebas and others from Mayagüez to San Juan, begin*567ning on Saturday December 7, 1912, and to bring them back to Mayagüez before the night,of Sunday December 8, 1912.
Various were the acts of negligence charged against the defendant in the complaint. Issue was joined, the case went to trial and the court, on motion of the defendant, rendered a nonsuit, this action being the principal error complained of in this appeal.
One of the theories of negligence most insisted upon by the complainants was that the defendant company was negligent in the selection of its chauffeur, Julio Camacho, who, it is alleged, was a young man without sufficient experience. The complainants not only failed to prove this averment, but, on the contrary, their own witnesses show that the said chauffeur was an ordinary, careful driver and that he managed the machine as well as could be expected and to their satisfaction.
The complaint laid some stress on the fact that the defendant failed to get its passengers back to Mayagüez at the time promised, but as may readily be imagined, this failure had absolutely no legal connection with the happening of the accident.
Various charges of defects in the machinery were made, but none 'of them was proved. Likewise, there was a failure of proof in regard to the physical weakness of the said chauffeur, as alleged in the complaint. On the contrary, the temporary weakness of the said chauffeur was due to the. special conditions under which the trip was undertaken and carried out by the passengers themselves. With very short intervals of rest, the chauffeur was kept going from the time, he left Mayagüez until the time of the accident, some twenty-eight hours later.
Another ground of negligence is the ignorance of the road imputed to the chauffeur. This ignorance was not proved, even if it were shown, to have any causal connection with the accident; and, furthermore, the proof established that the chauffeur set out from Tauco reluctantly and against *568his will, at night and at the special instance and request of Arturo Rubio Cuebas, the man who was subsequently killed. In short, none of the acts of negligence charged in the complaint was shown by the proof.
The appellants in this court, without any showing that their trial-court theory was similar, have sought to invoke the doctrine of res ipsa loquitur under the supposition made here, that the defendant was a common carrier. For the purposes of this case we shall not at this time decide whether, where particular acts of negligence are alleged, a complainant may rely upon a general presumption of negligence, such as is involved in the doctrine of res ipsa loquitur. The question is, then, whether the defendant was such a carrier against whom the maxim might be invoked.
The complaint set up that the’defendant was an automobile enterprise with a garage annexed thereto and that it was devoting itself to the letting or hiring of automobiles for journeys to such persons as asked for them, the said company furnishing for the management and direction of said machines its employees, servants, and agents; and the answer admitted the averment, but the complaint ;^lso showed a special contract of carriage, and as the aveijmjent of a pleading must be taken most strongly against the pleader, we do not find that there was any averment that the defendant was a common carrier. The attempt in the complaint to charge the special acts of negligence militates against such a theory. Moreover, the complaint showed that the defendant had a garage and the proof showed that the driver of the automobile, at the instance and request of the passengers, not only took them to San Juan but carried them up and down the streets thereof, and under the same direction delayed the journey.
We think that the complaint and the proof showed that the defendant’s occupation, as is usual with garages, was akin to that of a liveryman and that the contract here was an ordinary bailment for hire. Under these circumstances *569the authorities hold that the liability, namely, that of a liveryman, is to use ordinary care. Stánley v. Steele, 69 L. R. A. 561, 77 Conn. 688, where the authorities are reviewed; McGregor v. McGill, 108 A. S. R. 919, 114 Tenn. 524; Copeland v. Draper, 34 A. S. R. 315; J. Edward Meyers v. Tri-State Automobile Co., 44 L. R. A. (N. S.), 113, where an automobile garage letting automobiles is identified with a livery stable; Trout v. Watkins Livery, & Undertaking Co., 130 S. W. 136; Forbes v. Reiman, 51 L. R. A. (N. S.), 1165. When the carrier is a railroad, a street (railway, a steamboat, a stagecoach, or person dedicated to the public service and offering to take all comers, the highest degree of care is exacted and the maxim of res ipsa loquitur is frequently applied, on the theory that such carriers having control and knowing the machinery apparatus and the road, will be in a condition to explain the accident, and are thus charged by the law with the duty of knowing. Stokes v. Saltonstall, 13 Peters, 181; McGinn v. New Orleans Railroad & Light Co., 13 L. R. A. (N. S.), 601, and notes; Treadwell v. Whittier, 80 Cal., 574, 5 L. R. A. 498; Hageman v. Western R. R. Co., 13 N. Y. 9, 64 A. D. 517; Holbrook v. Utica & S. R. Co., 12 N. Y. 236, 64 A. D. 502. And the principle has been extended to a sight-seeing automobile (35 L R. A. [N. S.], 658), to the proprietor of a hack (Bonce v. Dubuque Street Ry. Co., 36 A. R. 221), and to a taxi-cab company (Van Hoefen v. Columbia Taxi-Cab Co., 162 S. W. 694), the distinction •of whether the defendant held himself out to be a common carrier being always borne in mind; otherwise the rule requiring the complainant to assume the burden of proof remains inviolate.
Another matter pointed out by the authorities is that liverymen and automobile garages not only let machines with ■drivers, but that they also let machines without drivers and do various other things showing a private contract of hire. Neither the complaint nor the proof' showed that this was, a case for the application of the maxim res ipsa loquitur.
*570The proof did in fact show an act of negligence on the-part of the defendant’s chauffeur which in all probability was the efficient cause of the accident. The company undertook to take its passengers to San Juan and back to Maya-güez, but in San Juan the passengers kept the chauffeur very active and from Saturday evening at about 10 p. m. until Monday morning at 2 a. m. the passengers and the chauffeur had very little rest, so that when the party set out from Tauco-all the occupants of the automobile were in an extremely sleepy condition. The passengers knew that the chauffeur had been under a continuous strain and was pretty well used up, yet they insisted, and the complainants’ intestate in particular urged, that they set out at night in this worn-out condition of the driver. If the driver was negligent the complainants’ intestate was guilty of contributory negligence. In view of this contributory negligence we think the court was justified in directing a nonsuit on any theory of negligence that was justified by the facts developed at the trial.
There were four other assignments of error. The first of these was the failure of the court to permit the defendant’s witness, Fernando Cuebas, to testify whether he had made a different statement before the municipal judge. As stated in the record, the object of the question was to refresh the memory of the witness. The argument now made is that a party has a right to contradict his own witness by virtue of section 156 of the Law of Evidence. No proper foundation was laid for the question by indicating to the witness the details of his previous alleged inconsistent statements. The testimony sought to be elicited was not contradictory and the purpose of the question was misstated; otherwise it was purely hearsay testimony and incompetent.
An alleged expert was asked whether by reason of his knowledge as a chcmffeur, and having seen the automobile, the highway, and all the rest, he could tell how the accident happened. The witness did not qualify as an expert and the question was objectionable in not stating concrete facts *571proved at the trial in hypothetical form calling for the opinion of an expert.
The third assignment of error was the failure of the court to permit a witness to state what chauffeur Camacho said with regard to his own negligence. This perhaps was error because the admissions of an agent of a defendant are material and competent and an exception to the rule of hearsay, even though the agent is in court ready to testify. 16 Cyc. 1005; Geylin v. de Villeroi, 2 Houston (Del.) 311; Phenix Mut. L. Ins. Co. v. Clark, 58 N. H. 164; Kelly v. Hing Yung Benevolent Assn., 2 Cal. App. 460. However, we think the appellants failed to show prejudice.
Section 142 of the Code of Civil Procedure requires that “The court must, in every state of an action, disregard any error or defect in the pleadings or proceedings which does not affect the substantial rights of the parties, and no judgment shall be reversed or affected- by reason of such error or defect. ’ ’
Under a similar section the California courts and others have held that it is the duty of ah appellant not only to show error, but to show prejudice. Coonan v. Lowenthal, 129 Cal. 197, 61 Pac. 940; 3 Cyc. 387; Taylor v. Boughner, Jr., et al., 16 W. Va. 332. In this connection, the United States Supreme Court says in Cunningham v. Springer, 204 U. S. 647:
“They illustrate the importance of a strict application of the principle that the excepting party should make it manifest that an error prejudicial to him has occurred in the trial in order to justify an appellate court in disturbing the verdict.”
The question was put to the witness toward the end of the trial after the complainants had made several divergent attempts to prove negligence on the part of the defendant. Under these circumstances we think it was the duty of the complainants to show that the proffered testimony was material and relevant to the issues of the complaint and not merely cumulative of the other testimony attempted to be offered. *572It is very probable that the chauffeur did bewail the fact of his setting out from Yanco, worn ont as he was, bnt if the complainants were attempting at that stage of the trial to show any other act of negligence they should have made a more specific offer in order to convince the court below and this coui’t that the rejected evidence had some real bearing on the case.
A fourth assignment of error was the refusal by the court to take a view of the place of the accident. This was a matr ter within the sound discretion of the court and we see no abuse.
The judgment should be
Affirmed.
Chief Justice Hernández and Justices del Toro, Aldrey and Hutchison concurred.