These are actions of tort. The writ in each case is dated February 6,1920. The first action is brought to recover damages both for the death and for the conscious suffering of the plaintiff’s intestate, a minor child, who is alleged to have been injured by the negligence of the defendant and to have died after conscious suffering. The second action is to recover for personal injuries sustained by that plaintiff through the alleged 'negligence of the defendant. The cause of action in each case arose on December 25,1919, out of the operation of an electric automobile truck by a servant of the defendant in the course of his employment in the transaction of its business on a public way. It is conceded that the persons injured were in the exercise of due care. They were walking upon the sidewalk of a public way when an electric automobile truck in charge of a chauffeur of the defendant struck and injured them.
There was evidence of negligence on the part of the chauffeur, which required the submission of that question to the jury. There was testimony tending to show that while he *35was driving the truck without chains at a rate of speed of from six to eight miles an hour over a street slippery with ice, it “ took a sudden jerk and dive for the sidewalk ”; that “ there was ice at the place of the accident; . . . that if he had had chains it would have helped some on the ice ”; that it was his habit in icy weather to put on chains; “ that he tried to right the car, but it did not respond, so he applied his brakes ”; that there were two good foot brakes; “ that he applied both brakes, and the car skidded over the sidewalk ”; that he did not put the brakes on until he had attempted to right the wheels by turning to the left; that the street was about forty-five feet wide and the sidewalk nine feet and two inches wide, and that under ordinary circumstances he could stop the truck going at that rate of speed in ten feet; that he was driving the truck with the left wheels in the car tracks, which were in the centre of the street, and “ the right wheels between the inner rail and the curbstone ”; that when he was opposite “ the doorway of the Osgood store, something gave way in the steering gear, and the truck suddenly turned to the right,” went over whatever obstruction was caused by the curbstone, struck the building, and broke the glass in the store window. There was evidence that on the day before there had been rain and snow. There was also opinion evidence that the chauffeur under the circumstances shown could have stopped the truck within ten feet.
The question is somewhat close. But whether the chauffeur ought to have put chains on the truck, and to have applied his brakes quicker and more effectively, presented questions of fact for the jury. The skidding of the truck, standing alone, was no evidence of negligence. Williams v. Holbrook, 216 Mass. 239. Kelleher v. Newburyport, 227 Mass. 462. The jury were so instructed. The other circumstances may have been found to constitute negligence.
The evidence showed and there appears to have been no dispute that the inability to control the steering gear resulted from the loss of a nut which held a portion of it in place. There was some conflict in the evidence as to the precise cause of this loss of nut and breakdown of the operative power *36of the steering gear. Without going over the evidence in detail, it is enough to say that, taking into account all the circumstances relative to the truck and its use, it could not have been ruled as matter of law that there was not some evidence tending to show that adequate inspection of the truck by the defendant would have disclosed the source of danger and prevented the injuries.
There was exception to the instruction to the jury that the fact that the truck was on the sidewalk might be taken “ as evidence that it was run negligently.” It is settled that the mere occurrence of an accident or collision on a public way is not evidence of negligence. The doctrine of res ipso loquitur does not apply. Reardon v. Boston Elevated Railway, 247 Mass. 124, and cases there collected. The instruction in the case at bar must be taken in connection with the charge as a whole and with all the circumstances which the jury might have found to exist. Full instructions had been given as to the negligence of the chauffeur in the operation of the truck and of the servants in the inspection and repair of the truck. There was evidence as to the conditions attendant upon the truck being upon the sidewalk. That is an unusual place for such a vehicle to be when there has been no collision or effort to avoid a collision with another vehicle, some obstacle, or person. In such circumstances the instruction cannot be pronounced erroneous. St. Louis v. Bay State Street Railway, 216 Mass. 255, 257. Forzley v. Bianchi, 240 Mass. 36. Eshenwald v. Suffolk Brewing Co. 241 Mass. 166.
There was no error in dealing with the defendant’s ninth request for instructions. To charge that there was no evidence that “ the motor vehicle was defective prior to the time of the happening of the accident ” would have excluded from consideration the fact of the separation or coming apart of the mechanism for steering, which might under all the circumstances have been found evidence of a defective condition. Ryan v. Fall River Iron Works, 200 Mass. 188, 191. Hull v. Berkshire Street Railway, 217 Mass. 361, 363.
The other requests were modified rightly. Examination of the entire record discloses no prejudicial error at the trial.
*37Certain questions of law remain to be considered in connection with motions for a new trial.
The defendant in each case is described in the writ as “ American Railway Express Company, a corporation duly organized and existing under the laws of the State of Delaware.” The defendant appeared generally and pleaded to-the merits of the cause set forth in the declarations. Thereby the descriptive allegations of the writ respecting the defendant were admitted. G. L. c. 231, § 30. The trial proceeded before the jury in the Superior Court wholly upon the issues of general liability thus raised by the pleadings. In the first case verdict was returned in favor of the plaintiff in stated amounts both for the conscious suffering and for the death of her intestate. In the second case verdict was rendered in favor of the plaintiff. Thereafter the defendant filed a motion for a new trial in each case upon identical grounds, namely, that the verdict was (1) against the law, (2) against the evidence, (3) against the weight of the evidence and (4) excessive in the amount of damages. These motions were argued first in June, 1921, and were reargued in May, 1922. At the latter argument the defendant raised for the first time, so far as appears, the question of its liability for the death of the plaintiff’s intestate in the first case, on the ground that the American Railway Express Company was, at the time of the wrongs complained of, under the control of the federal government by virtue of acts of Congress, proclamations of the President, and general orders of the Director General of Railroads, (39 U. S. Sts. at Large, 619, 645. 40 U. S. Sts. at Large, 1733, 451, 456. 41 U. S. Sts. at Large, 456, 461), and that, the recovery thus sought being for a penalty or fine and not for compensation, there could be no recovery under General Order 50A of the Director General of Railroads to the effect that actions could not be brought against him “ for the recovery of fines, penalties and forfeitures.” Several requests for rulings were presented raising this question. The record states that the judge “ did not give the rulings requested and denied the motions for new trial in both cases,” except as to reduction of damages *38for conscious suffering in the Lonergan case, as to which now no point arises. He then made a report of his ruling denying the motion for new trial in the Lonergan case in these words: “ If my order denying the motion ... for a new trial in the Lonergan case was erroneous as matter of law on the ground that the recovery for death permitted by the Massachusetts statute is a penalty of such character that it could not be enforced against the American Railway Express Company consistently with the law applicable thereto, including the acts of Congress, proclamations of the President, and general orders of the Director General of Railroads, and that said ground should have been regarded as properly and seasonably raised and presented, the verdict on the death counts is to be set aside . . .
As matter of construction, these words mean that the main question of recovery for death in the Lonergan case is to be considered by this court only in the event that as matter of law that question was seasonably presented in the trial court.
It is the long established and frequently applied rule of practice in this Commonwealth that a party cannot as matter of right raise a question of law on a motion to set aside the verdict and grant a new trial, which might have been raised before verdict. While a judge may in his discretion permit such a question to be presented on a motion for a new trial, he cannot be required to consider it. It is discretionary with him whether to consider it or not, having regard to all the requirements of justice. Loveland v. Rand, 200 Mass. 142, 144. Ryan v. Hickey, 240 Mass. 46. Commonwealth v. Dascalakis, 246 Mass. 12, 24. Numerous authorities are collected in each of these judgments. Commonwealth v. Goldsmith, 249 Mass. 159. Manifestly this principle applies to the case at bar. All questions as to the primary liability of the defendant and the extent and nature of the possession of its business by the Federal Government could and ought to have been presented at the trial on the merits.
This is a matter which we understand is to be governed by the practice of the State courts. Genga v. Director General of Railroads, 243 Mass. 101, 111.
*39This precise question has not been presented in the federal courts so far as we are aware, but the implication of several decisions is that the questions, whether the carrier remains liable or the Director General of Railroads is liable must be seasonably raised in order to be considered. Missouri Pacific Railroad v. Ault, 256 U. S. 554, 556. Davis v. L. N. Dantzler Lumber Co. 261 U. S. 280, 288.
The judge did not exercise his discretion to consider and determine the questions of law thus raised for the first time on that motion for new trial. He did not deny or even pass upon the defendant’s requests for rulings. He simply did not give those requests. He could not be required to pass upon such requests provided they presented questions of law which might have been raised at the trial on the merits. He denied the motion for a new trial. That denial imports the exercise of every discretionary power adversely to the granting of the motion.
The argument of the defendant in substance is that, if the action for death had been brought against the Director General of Railroads, and if the further question of his liability for death under our statutes had been properly raised, a verdict ought to have been directed in his favor. That argument is posited on the assumption of two facts, neither of which exists.
The denial of a motion for new trial commonly rests in sound judicial discretion and presents no question of law. Hallett v. Jordan Marsh Co. 240 Mass. 110. Shour v. Henin, 240 Mass. 240. Barnett v. Loud, 243 Mass. 510.
Plainly there was no abuse of discretion in denying the motions for a new trial. Even if the judge had thought there would have been merit in the point now argued, if it had been seasonably raised, there may have been ample reason to warrant a denial of the motions. Berggren v. Mutual Life Ins. Co. 231 Mass. 173, 176. Davis v. Boston Elevated Railway, 235 Mass. 482, 496, 497. Commonwealth v. Dascalakis, 246 Mass. 12, 32, 33.
It further is stated in the report that “ No question is raised but that, subject to the question above reported relative to the death counts in the Lonergan case, both actions *40were properly brought and prosecuted against the American Railway Express Company.” If the defendant was under federal control at the time the cause of action here declared on arose, to the same extent as were the railroads and telegraph companies, then the action should have been brought against the Director General of Railroads and not against the express company. The defendant might have exonerated itself from all liability in both actions if it had seasonably pleaded and proved such facts. Nominsky v. New York, New Haven & Hartford Railroad, 239 Mass. 254. Missouri Pacific Railroad v. Ault, 256 U. S. 554. Ætna Mills v. Director General of Railroads, 242 Mass. 255, 256. Western Union Telegraph Co. v. Poston, 256 U. S. 662.
That principle, however, does not prevent the corporation from appearing generally and defending the cause of action on its merits in its own name. Such conduct is not an attempt to waive a want of jurisdiction in the court, but is a waiver of a defence. There is nothing to prevent a party defendant from waiving a defence. Such waiver by conduct at the time when it ought to have been pressed does not enable a defendant as of right to set up such defence at a later stage, no matter how perfect that defence might have been if it had been seasonably put forward.
So far as the point now urged affects the jurisdiction of the court, it cannot be waived in part and enforced in part. Questions as to the jurisdiction of the court may be raised at any time. Such questions ought to be considered by the court of its own motion even though not urged by the parties. Eaton v. Eaton, 233 Mass. 351, 364. Morse v. O’Hara, 247 Mass. 183. Commonwealth v. Andler, 247 Mass. 580. Exporters of Manufacturers’ Products, Inc. v. Butterworth-Judson Co. 258 U. S. 365. G. L. c. 231, § 136. National Fertilizer Co. v. Fall River Five Cents Savings Bank, 196 Mass. 458, 462. The Superior Court in the case at bar had jurisdiction over the defendant. It appeared and answered generally. The Superior Court would have had jurisdiction over the Director General of Railroads if he had properly been made a party. It also had jurisdiction over the cause of action, whether the alleged wrong was committed by the *41defendant or by the Director General of Railroads. Genga v. Director General, 243 Mass. 101, 104. The jurisdiction of the Superior Court was complete. It was not affected by any of the grounds alleged in the motion for a new trial. That motion presented the ordinary question, whether at the trial on all the facts, in the light of correct principles of law, the verdict ought to have been directed in a particular way. That is not a question of the jurisdiction of the court. It is simply a question whether a mistake of law was made during the trial. Such a question as that ought to have been raised by requests for rulings at the trial. It cannot be raised for the first time as of right on a motion for a new trial. Flynn v. Johnson, 234 Mass. 36.
It follows that, in our opinion, there was no defect of jurisdiction in the Superior Court to consider and adjudicate the issues raised on the pleadings in the cases at bar. There was no error of law in the way in which the Superior Court dealt with the questions reported touching the motions for new trial.
In both cases the exceptions taken at the trial disclose no error of law and are overruled. The action of the judge on the motions for new trial is affirmed.
So ordered.