[Various (1967)] Yet it is even closer than that for, while artifacts do not have genes and cannot breed, their makers do and correlation between the artifact tradition and the genealogy of its makers is what a cultural tradition is, by the definition we have given it. Hence, changes there will be, and what must be recognized in the evolutions of a tradition through multiple phases is that (1) there will certainly be some specimens intermediate between two succeeding phases which might be assigned to either: (2) specimens of two phases may be made at the same time, as some craftsmen continue the old form while others are changing it in response to some new idea or preference; and (3) some workmen may hybridize the two forms. In the Taconic tradit ion of stemmed points, for instance, the stems of the early phase were thick and plug-like, with a knobby or stud-head appearance, as though they were intended to be dowelled or socketed