XI. "Mark," as we have seen, contains a relatively small body of ethical and religious instruction and only a few parables. Were these all that existed in the primitive threefold tradition? Were none others current in the Roman communities, at the time "Mark" wrote, supposing he wrote in Rome? Or, on the other hand, was there extant, as early as the time at which "Mark" composed his Greek edition of the primitive Evangel, one or more collections of parables and teachings, such as those which form the bulk of the twofold tradition, common exclusively to "Matthew" and "Luke," and are also found in their single traditions? Many have assumed this, or these, collections to be identical with, or at any rate based upon, the "logia," of which ecclesiastical tradition says, that they were written in Aramaic by Matthew, and that everybody translated them as he could. Here is the old difficulty again. If such materials were known to "Mark," what imaginable reason could he have for not using them? Surely displacement of the long episode of John the Baptist--even perhaps of the story of the Gadarene swine--by portions of the Sermon on the Mount or by one or two of the beautiful parables in the twofold and single traditions would have been great improvements; and might have been effected, even though "Mark" was as much pressed for space as some have imagined. But there is no ground for that imagination; Mark has actually found room for four or five parables; why should he not have given the best, if he had known of them? Admitting he was the mere _pedissequus et breviator_ of Matthew, that even Augustine supposed him to be, what could induce him to omit the Lord's Prayer? Whether more or less of the materials of the twofold tradition D, and of the peculiar traditions F and G, were or were not current in some of the communities, as early as, or perhaps earlier than, the triple tradition, it is not necessary for me to discuss; nor to consider those solutions of the Synoptic problem which assume that it existed earlier, and was already combined with more or less narrative. Those who are working out the final solution of the Synoptic problem are taking into account, more than hitherto, the possibility that the widely separated Christian communities of Palestine, Asia Minor, Egypt, and Italy, especially after the Jewish war of A.D. 66-70, may have found themselves in possession of very different traditional materials. Many circumstances tend to the conclusion that, in Asia Minor, even the narrative part of the threefold tradition had a formidable rival; and that, around this second narrative, teaching traditions of a totally different order from those in the Synoptics, grouped themselves; and, under the influence of converts imbued more or less with the philosophical speculations of the time, eventually took shape in the fourth Gospel and its associated literature.