Frederick Weber, the plaintiff’s intestate, was, as it is said, and as the jury has found, struck by one of the cars of the defendant company on the 9th of October, 1894, and received injuries of considerable severity. He was wounded somewhat about the head, but the most severe injury was a blow upon the knee, which never, as it seems, was cured. After the receipt of these injuries, and in the month of June, 1895, Frederick Weber died, and the plaintiff, as his administratrix, brought this action to recover damages for his death, which she charges was the result of the injuries he received by the collision with the car in October, 1894. The theory of the plaintiff’s case is that the injury to the knee caused a tubercular condition of that part of the limb, which, gradually extending to the lung by the action of natural causes, produced the consumption which caused his death, as a direct result of the injuries which he. received. The defendant denied that the injury to the knee caused the consumption, and this was tlie disputed question of fact presented upon the trial and decided by the jury. After the verdict had been rendered, a motion for a new trial was made upon the ground, among others, that the verdict was contrary to the weight of the evidence, and, upon a denial of that motion and the entry of judgment on the verdict, this appeal was taken.
*514The appellant renews, here, the point it made before the judge at the trial, that the evidence was not sufficient to warrant a verdict in favor of the plaintiff, because it did not justify the jury in conclud- ■ ing that the consumption, which it is conceded was the immediate cause of the death of Frederick Weber, was produced by the injury to the knee received by him at the time of his hurt. Before the plaintiff can recover for the death of this man, she must prove that the injuries he received were the proximate cause of the death. That is to be determined as a question of fact by the evidence given upon the case.
The question always is, was there an unbroken connection between the wrongful act and the inj ury —■ a continuous operation ? Did the facts constitute a continuous succession of events so linked together as to make a natural whole, or. was there some new and independent cause intervening between the wrong and the injury ? (Milwaukee & St. Paul Railway Co. v. Kellogg, 94 U. S. 469.) It is not necessary for the plaintiff, who claims that the injury was the proximate cause of the consumption of which this man died, to show that it was the only cause. It is sufficient if she establishes that the injury set in motion other causes which produced the dis-. ease and the death, but which, in the absence of this injury, would not have produced it. (Pollett v. Long, 56 N. Y. 200.) But this proof on the part of the plaintiff must be made by evidence which establishes the fact, and, unless the evidence is sufficient to show the connection between the immediate cause of the death and the injury received, the plaintiff cannot recover.
The claim here was that the injury to the knee caused a tubercular condition of the limb, and that this tubercular condition gradually, by the operation of natural causes, extended to the lung of; Weber and produced the consumption which caused his death. It appeared from, the testimony that the wound upon the knee was a bruise, and that there was no cut or laceration sufficient to permit the examination of the joint itself. Whatever breaking of the skin there was was healed shortly after the injury, if, indeed, there was any breaking of-the'skin at all; so that the fact that there was a tubercular condition of the knee could, in the nature of things, only be established by the performance of an operation upon the knee which would permit an examination of the injured joint, or by the infer*515enees which physicians might draw from what they saw upon the outside. It is in proof, and not disputed, that the knee was swollen and the joint was stiff. Whether that stiffening of the swollen joint was accompanied with a tubercular condition of the joint was the question which lay at the bottom of this inquiry, because if there was no tubercular condition of the joint then there was no foundation for saying that there was tuberculosis at the knee which extended to and fastened upon the lung and produced the consumption. It was sought to establish a tubercular condition of the knee joint by the testimony of physicians who were sworn as experts in the case and testified to their opinions upon that subject. Of course, the opinion of expert witnesses upon á question as to which opinions may properly be given, is competent evidence and it is to be considered in deciding the question of fact, but whether it will be received as sufficient proof depends upon other considerations than those to be regarded where the proof presented is direct testimony to a fact by a witness who has personal knowledge, of- it. In the latter case the testimony of the witness, if he is unimpeached and the fact is credible in itself, must be considered, and, unless the witness is contradicted or is so interested in the event of the action that his testimony may properly be regarded with suspicion, his statement under oath of the fact must be taken as sufficient proof of it. But in the case of an expert witness, swearing, as to what .must necessarily be a matter of opinion, his testimony is not necessarily and finally to be accepted as establishing the fact. The testimony is to be considered in view of the general knowledge of the witness upon the subject as to which he is sworn, his knowledge of the particular case, his opportunity for examination as to the facts upon which he bases his opinion, and the sufficiency of the reasons which he gives for the opinion he has; and if it should appear that his opinion is formed without the aid of facts necessary to enable him to come to a conclusion, that opinion may be disregarded, however confidently it is testified to by the witness.
In this case three physicians were sworn on behalf of the plaintiff. One was Dr. Charles W. Miller, who saw Weber on the day of the accident, and who attended him from the ninth to the fifteenth of October, and describes generally his condition during that time. He found at that time acute synovitis of the right knee, with *516swelling and contusion of the muscles and tissues of the right leg. He says that it was a serious inflammation of the knee joint; that' the right knee was swollen from two or three inches above the knee, almost'down to the ankle. He says that the knee was stiff. He left the ¡patient on the fifteenth of October, by which time the swelling had gone down somewhat and the condition of the knee had improved, but it was still stiff and there was still some inflammation. Dr. Miller never saw Weber after the fifteenth of October, and his testimony does not aid us in an examination of -the main question here, except so far as it shows that the disease of the knee immediately followed the hurt which Weber received.
The physician who followed Dr. Miller in attendance upon Weber, and whose testimony is principally relied upon by the plaintiff, was Dr. Hoffman, who attended Weber from the middle of October,' 1894, to the middle of March, 1895. He testifies to the condition of the knee; that Wetier gradually went into a decline; that there developed a consolidation of the right side ■ of the lung, which became more and more pronounced until it culminated in a rapid consumption, from which Weber died in the early part of June, 1895. He describes the condition of the knee, so far as it could be, ascertained from an outside examination, and the jury might have found from his examination that the knee was greatly swollen, that it was stiff, and that there was in the knee joint an accumulation of pus. Upon this last point, however, the evidence of the witness was not perfectly satisfactory, although it may be said that the jury would he justified- in concluding from it that there was in the joint pus, which was the result of inflammation. The witness says that he examined the knee joint superficially, by which he means from the outside; that there was an accumulation of some liquid inside of it; that experience teaches a physician the. difference between water and pus, and that, by his sense of touch he could decide conclusively and finally as to which it was; and, in examining the case we must, I think, concede that the accumulation about the knee of Weber, which was referred to by Dr. Hoffman, was pus and not merely an accumulation of watery substance which accompanies synovitis. But, conceding that fact, it did not follow* even according to the testimony of Dr. Hoffman, that the condition of the knee was tubercular, and certainly it did not follow that the *517consumption which developed in this man was the result of the condition of the knee.
It was made to appear by the testimony, and was not denied, that such a condition of the knee would not be likely to produce tuberculosis in any other part of the body as a direct result unless there was tuberculosis in the knee. . Dr. Hoffman said that when there was “ tuberculosis in the body the inflammatory product which is carried from one part, or which is present in one part of the body, is associated with other parts of the body in consequence of the circulation of the blood. * * * It is through this exudation, through this deposit in the knee joint which is carried up in the circulation through the blood into the lungs, and in that way the bacilli are provoked to bring on one disease in conjunction with the other.” None of the witnesses contradicted this-theory of Dr. Hoffman, and Dr. Fowler substantially corroborated it. So it will be seen that there lay at the basis of the plaintiff’s case a necessity of proving that the knee was in a tubercular condition, and that, because of this condition, the operation of natural causes produced tuberculosis in the lung. The plaintiff’s case failed,, therefore, unless it was made to appear that there was tuberculosis of this knee. In making this examination we take no account of the testimony of Dr. Hoff-, man, which, it may be assumed, was mistakenly given, that there was a consolidation of the lung in October, 1894, which existed before the injury was received, and that the trouble with the lungs acted upon the knee, because that testimony was retracted by him as given under a mistake. But we assume that there was no trouble with the lung developed until after the injury to the, knee had been received. Nevertheless, that fact did not even presumptively establish any connection between the injured knee and the diseased lung. Was there then evidence from which it could be said that there was tuberculosis in that knee? Upon that point there was only the evidence of Dr. Hoffman and Dr. McHale. It was conceded on all hands that tuberculosis was not always the result of an injury to the knee. Dr. McHale said that when an injury had been received by the knee there is usually a tubercular condition which arises from it more frequently in the knee than in any other bony structure of the body; but he did not undertake to say that there was a tubercular condition in this man’s knee. Dr. Hoffman alone gave testimony *518to establish, that fact. As we understand this testimony, after a careful examination of it, he bases his testimony upon the fact that there was an accumulation of pus in the knee, and that that, was followed by a gradual development of tuberculosis in the lung. He was asked how he knew, by any scientific examination, that there was anything tubercular about the knee, to which his answer was this: “ The fact that the man had a consolidation of the right lung and that his knee was anchylosed led me to determine that he had tuberculairs. deposited in liis knee joint and in his lungs. There is a scientific process of finding out whether there is anything tubercular at the knee. I ascertained definitely whether there was anything tubercular at the knee. I absolutely determined whether there was anything tubercular at the knee by this method that I have just explained. 1 found consolidation of the lung, and there was some trouble there at the knee. I said there was- tuberculosis at the knee. That is part of what I call an -exact scientific method. I was not called upon to act with the rest of the method; that is sufficient to determine in very many cases. I know there was tuberculosis in the lungs, or something tubercular there, because there was high temperature there, a cavity and loss of flesh and emaciation. They 'do not have all these symptoms.in bronchitis — all these symptoms I have just given you; in broncho-pneumonia, it- depends on what kind of pneumonia it is. In the early stages of pneumonia you have consolidation.”
The method which he had 'just explained, by which he determined that there was anything tubercular at the knee, was, as it seems,, simply a conclusion that there was pus in the knee joint. But it Was made- to appear in the case, and was not disputed, that the mere existence of pus in the knee joint was not sufficient to warrant a conclusion that there was tuberculosis there. There could be no tuberculosis unless there were tubercles — and there were not necessarily tubercles where there was pus. This was undisputed in the case, .and Dr. Hoffman by no means meets that difficulty, because he said especially that while there was a scientific way of finding out whether the accumulation at the knee was pus or water, and that it was possible to ascertain what, the pus contained, he did not take any such means. Dr. McHale, who. was also sworn by the plaintiff as a witness, testified that one could, by scientific process, find out *519whether there is any tubercular condition of the joints, “ provided that you get the tubercles. You can get the fluid, * * * in which the tubercular condition is supposed to exist, but if you don’t get ¡dus you don’t get the tubercles and you don’t get the bloody serum. That would be deposited on the bones and not migrate into the blood or serum.”
Dr. Fowler testified that the only way to ascertain whether or not there were tubercles in the pus, was to draw off a portion of the pus and examine it under a microscope, and Dr. MclTale’s testimony was practically corroborative of that. It is true that Dr. McHale says that when a joint is tubercular there is a means of discovering it by observation, clinical experience and scientific examination of the contents of it, but he testifies practically as has been quoted above, that you can find out whether there is tubercular condition “ provided ” you can get the tubercles.
It is clearly proven in this case that no such examination of this knee joint was made as to ascertain whether there did exist tubercles upon the joint, and the only evidence that that condition of affairs existed was that Dr. Hoffman, as the result'of his outside examination, concluded that there was pus in the joint, and after-wards concluded that the joint was in a tubercular condition, for the reasons, and only for the reasons, contained in his testimony, which has been quoted above. But an examination of that testimony shows that he based his conclusion as to the tubercular condition of the knee joint largely, if not entirely, upon the fact that after this injury there was a diseased condition of the lung — which is a rather remarkable inversion of the process of reasoning. It is quite true that Dr. McIIale testified that there was a decided connection between the state of his lung and the state of his knee, scientifically speaking. But that testimony is explained by evidence given just previously, that the injurious effect of the knee upon the general system was to lower the vitality in such a way that if the patient were exposed to the germs of consumption he would contract it; that the condition of his knee would make him more susceptible in every way to the attack of the tubercular germs. He said that a tubercular knee frequently led to tuberculosis of the lungs, but it is almost necessarily to be inferred from his testimony that it led to such tuberculosis for the reason given just above. When Dr. *520McHale was recalled, as an expert witness, he was asked in a hypothetical question, whether he could say with reasonable certainty that the death of Weber was caused by his injuries on the ninth of October, by being struck with a car % To which he said, yes. But upon his cross-examination he said, in explaining that testimony, that the injury to the knee would produce pulmonary consumption if there was a predisposition in the patient to tuberculosis. His answer to the hypothetical question is entirely consistent with his testimony given when he was first called, and is fully explained by it, when he said that the effect of the injury to the knee was to lower the man’s vitality and to make him more susceptible to contract consumption than he otherwise would have been.
This is practically all the testimony in the case from which the jury would be at liberty to infer that the consumption was the result of the injury to the knee. As it seems to us the testimony was entirely insufficient for that' purpose. It was an inference based upon facts which were not shown to exist. The necessary condition of. tuberculosis in the knee was entirely unproven by .'the testimony, and in the absence of that condition a conclusion that the consumption was the proximate result of tuberculosis in the knee cannot be indulged in. If the consumption was caused, as Dr. McHale says it might have been, by so reducing the vitality of the patient as to make him unable to throw off the germs of consumption which attacked him through the lung, the in jury would not constitute the first of a continuous succession of events, so as to make the defendant liable for the consumption, because the reception into the lung of germs of consumption from the outside would be a new and independent cause intervening between the injury and the result, for which the defendant would not be liable.
Upon a careful examination of this testimony, we are forced to the conclusion that there was not sufficient proof to warrant the judge in submitting to the jury the question whether the consumption was caused by the injury inflicted by the railway company in the collision. The rule in such • cases is that a mere conjecture,' built upon a bare possibility, will not suffice to transfer, the money or property of one man to the possession and profit of another. (Pauley v. S. G. & L. Co., 131 N. Y. 99.) There must be, at least, to warrant such a conclusion, so much testimony that the inference *521is reasonable; and when that has not been given, a verdict based upon less testimony cannot be permitted to stand.
We have reached the conclusion, therefore, that it was error to submit this case to the jury upon the testimony which was presented at this trial. That conclusion requires us to reverse this judgment and order a new trial.
But there remains for examination one question which was presented upon the trial and which will be presented when the new trial is had, and will necessarily require a decision. For that reason it is proper that we should decide it.
The amount of the verdict in this case was $6,500, and the amount demanded in the complaint was $20,000. The court was asked to hold that in no event could the plaintiff recover more than $5,000 in the case, and to the. refusal so to instruct the jury the defendant excepted. The question presented by this exception is whether the provision of the Constitution which went into effect on the 1st of January, 1895, so affected the right of action in this case as to take away the limit of the right to recover, which before then had been fixed at $5,000. This provision of the Constitution has been so far construed that the courts have held that it is not retroactive and that it does not affect causes of action which had already accrued at the time when it took effect, which was the 1st of January, 1895. (O'Reilly v. Utah, N. & C. Stage Co., 87 Hun, 406; Isola v. Weber, 147 N. Y. 329.) In each of those cases the injury and the death also occurred before the 1st day of January, 1895, and the question presented was, whether the right of action being perfect at the time the Constitution took effect, the removal of the limitation applied to those actions, and permitted in them a recovery for a greater sum than the former limit of $5,000. Whether those cases are decisive of the case at bar, or whether the reasoning of those cases applies, depends, of course, upon the question whether the cause of action in this case had accrued at the time the Constitution took effect. The right to maintain such an action is comparatively recent in its origin, and takes its rise in this State from the statutes of 1847 and 1849: These statutes were based upon Lord Denman’s act, passed by the English Parliament shortly before. Soon after the statutes had been passed, it became necessary for the courts to examine and determine the nature of the *522cause of ¡action which was created by them, and the question was presented to the Court of Queen’s Bench in England and to the Court of Appeals in this State. It was claimed, on the one hand, that no new cause of action was created by these statutes, but that they operated simply to extend to the personal representative a cause of ¡action which had existed before; in other words, to take away so much of the incidents of the personal cause of action as to permit it to survive the death of the person by whom the injury was received. Following the analogies of that claim, it was asserted that the cause of action was not a new one, but that it was recognized at the common law, had all the common-law incidents, and was to be enforced as any other action arising under the common law. On the other hand, it was asserted that the cause of action was a new one, created solely by the statute, and which did not exist at the common law, but which arose simply by virtue of the statute of the particular State, and that it was not an extension of the right of action of the injured person to which his representative succeeded.
The courts were called upon to decide between these two opposing claims, atid the same decision was reached by all of them, although not without strenuous dissent. In the case of Whitford v. Panama Railroad Co. (23 N. Y. 465) the question was settled so far as this State is concerned. The action there was 'against the Panama railroad for the negligent killing of a. passenger upon their road across the Isthmus of Panama. The complaint was demurred to upon the ground that the cause of action being one created by the law of Rew York, and unknown to the common law, and the cause of action having arisen in another State, the courts of this State had no jurisdiction over it. The demurrer was sustained in each court, and finally came to the Court of Appeals, where the judgment of the court below was affirmed. The opinion was written by Judge Denio, who takes occasion to examine critically into the nature of the cause of action; and, following the judgment of the Court of Queen’s Bench, he held that the law did not transfer to the legal rep^ resentative of. the injured person, at his death, a right of action which' he had possessed, but gave to the representative a totally new right of action on different principles. Judge Denio says that “the statute does not; profess to revive his cause of action in favor of the executor *523or administrator. The compensation for the bodily injuries remains extinct, but a new grievance of a distinct nature, namely, the deprivation suffered by the wife and children, or other relatives, of their natural support and protection, arises upon his death, and is made by the statute the subject of a new cause of action in favor of these surviving relatives, but to be prosecuted in point of form by the executor or administrator.” Such was the ground of the ruling of the Court of Appeals in the case of Whitford, and that ground is strengthened by the fact, that it was met, in that very case, by the dissent of Judge Comstock, who refused to agree to the opinion of the court, because he insisted that the cause of action was not a new one, but that it was simply an extension to the personal representative of the former cause of action which existed in behalf of the injured person. The rule thus laid down by the Court of Appeals has never been questioned, and was recognized in the case of O’Reilly v. Utah, N. & C. Stage Company (supra), and that opinion was adopted by the Court of Appeals as a sufficient expression of their views in the case of Isola v. Weber (147 N. Y. 329), where the same point was decided. (See, also, Littlewood v. Mayor, 89 N. Y. 24, 27, 30.) The facts show that Weber, having been injured in the month of October, 1894, did not die until June, 1895. Until the day of his death, the right to recover for the injuries which he had received was with liim, and such a right died with his person. The right of the plaintiff to recover for the damages caused by those injuries came into existence after his■ death. It was not a right to recover such damages as would compensate Weber for the pain and suffering which he was obliged to endure because of the injuries which he had received. That right of action was extinct. The right which accrued to the representatives after Weber’s death was a right to be paid for the loss which they had sustained, which was the injury resulting to them from his death. (Blake v. Midland Railway Co., 18 Adol. & Ell. [N. S.] [Q. B.] 93.) Until, therefore, the death of Weber, the representatives had no right. Their cause of action had not accrued until then, and, when it did accrue, they took it with all the rights which the then existing state of the law gave to them. One of those rights was the right to a recovery for such amount as the jury should think sufficient to compensate them for the loss which they had sustained by the death of the intestate, without a limitation which theretofore *524had existed. The direction of the learned trial judge to the jury, that the limitation of $5,000 had ceased to exist, and that the plaintiff was entitled to recover her full damages, whatever those might be, was correct, and the exception to that direction was not well taken.
But, for the reason that it was error to submit the case to' the jury upon the evidence presented, to establish that the death of Weber was owing to these injuries, the judgment and order must be reversed and a new trial ordered, with costs to the appellant to abide the event of the action.
Van Brunt, P. J., Barrett and Patterson, JJ., concurred; Williams, J., dissented.