The defendants' appeal from an order of a single justice by which he refused to disturb the stipulation of the parties (approved by him three months earlier, after hearing) as to the "sole issue" which would be argued by the defendants on their late appeal must be dismissed because the ruling complained of was interlocutory ("manifestly" so according to the defendants' present brief). Giacobbe v. First Coolidge Corp. 367 Mass. 309 , 312-313 (1975). Sheinkopf v. Eskin, 367 Mass. 573 , 574 (1975). See also Rollins Environmental Servs. Inc. v. Superior Court, 368 Mass. 174 , 181 (1975); Corbett v. Kargman, 369 Mass. 971 (1976); Martin v. Townsend, 370 Mass. 855 (1976). As a guide to the parties in briefing the late appeal, we say by way of dictum (Giacobbe v. First Coolidge Corp. 367 Mass. at 314) that we see no abuse of discretion (Sheinkopf v. Eskin, 367 Mass. at 574, 577) in the ruling complained of. It does not appear from the scant record of the proceedings before the single justice (see and compare Giacobbe v. First Coolidge Corp. 367 Mass. at 311-312, 317) that any portion of the already assembled trial record was brought to his attention prior to his ruling (see the practice under Mass.R.A.P. 9[f], 365 Mass. 853 [1974]) or that he was afforded any other basis (contrast Sheinkopf v. Eskin, 367 Mass. at 576, 577) for assessing counsel's opinion as to the merit (Tisei v. Building Inspector of Marlborough, 3 Mass. App. Ct. 377 , 379 [1975], and cases cited) of the additional issues belatedly sought to be injected into the late appeal.

Appeal dismissed.

The defendant was convicted of carrying a firearm under his control in a vehicle without being properly licensed, in violation of G. L. c. 269, Section 10, as amended through St. 1973, c. 588. The defendant appeals pursuant to G. L. c. 278, Sections 33A-33G. He has propounded nine assignments of error; the two principal assignments relate to (1) the denial of the defendant's motion to suppress a revolver seized in the glove compartment of a car in which he was a passenger and (2) the allowance in evidence of his confession regarding his ownership of the revolver. 1. Our first consideration is whether the officer had the requisite probable

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cause to justify his search of the glove compartment. The criterion here is that the officer "conducting the search have `reasonable or probable cause' to believe that . . . [he] will find the instrumentality of a crime or evidence pertaining to a crime before . . . [he begins his] warrantless search." Dyke v. Taylor Implement Mfg. Co., Inc. 391 U.S. 216, 221 (1968). At the time that the officer commenced his search of the glove compartment he had lawfully amassed the following information: he had observed the vehicle travelling in an erratic pattern; he had observed the driver of the vehicle commit a traffic violation; he had stopped the vehicle and recognized the driver as a man who he believed had previously been convicted of armed robbery; upon request, the driver had been able to produce a driver's license and a purported bill of sale but unable to produce a registration certificate for the vehicle; the number on the license plate differed from the vehicle registration number on the vehicle inspection sticker; and Registry of Motor Vehicles records (checked by radio communication) indicated that the owner of the vehicle corresponding to the registration number on the inspection sticker was neither the operator nor the person listed as transferor on the bill of sale which the driver had tendered to the police officer. Viewing this information from a neutral perspective (see Spinelli v. United States, 393 U.S. 410, 415 [1969]), the judge found that the officer searched the glove compartment in the reasonable beliefs that the car had been stolen and that the search would yield evidence of the true ownership. See Commonwealth v. Haefeli, 361 Mass. 271 , 281 (1972). Those findings were warranted by the evidence and clearly correct. Haefeli v. Chernoff, 526 F.2d 1314, 1316-1318 (1st Cir. 1975). The requirement that there be such exigent circumstances that securing a warrant would be impracticable was satisfied by the potential mobility of the vehicle (see Chambers v. Maroney, 399 U.S. 42, 51 [1970]) in the context of a situation in which the officer did not know who owned the car and could reasonably fear that, if he took no action, the driver could move the car out of the jurisdiction at a moment's notice. See Commonwealth v. Rand, 363 Mass. 554 , 559-561 (1973); Commonwealth v. Avery, 365 Mass. 59 , 63-65 (1974); Commonwealth v. Antobenedetto, 366 Mass. 51 , 54-55 (1974); Commonwealth v. Pignone, 3 Mass. App. Ct. 403 , 409-414 (1975), and cases cited therein. The judge was thus correct in ruling that the revolver had not been illegally seized. 2. As the revolver had been seized during the course of a lawful search, the defendant's confession at the police station was not rendered inadmissible as "fruit of the poisonous tree." Wong Sun v. United States, 371 U.S. 471 (1963). Compare Commonwealth v. Fielding, 371 Mass. 97 , 113-115 (1976). Contrast Brown v. Illinois, 422 U.S. 590, 600-604 (1975). 3. After the defendant had been arrested [Note 1] he was given his Miranda warnings; however, he chose not to make a statement at that time. There was evidence from which the judge could have found that the defendant subsequently and voluntarily sought out the police to make a statement about the incident upon which his arrest had been based. There was no requirement that the police repeat the previously given Miranda warnings. Commonwealth v. Black, ante, 512, 516 (1976). See Commonwealth v. Frongillo, 359 Mass. 132 , 135-136 (1971). Compare Michigan v. Mosley, 423 U.S. 96, 100-104 (1975). 4. Each of the

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defendant's other assignments of error is either without merit or not based on an exception (see Commonwealth v. Myers, 356 Mass. 343 , 346 [1969], and cases cited therein). Therefore, we do not discuss any of them.

Judgment affirmed.