THERE is a fashion nowadays of trimming the fronts of brick houses by placing black bricks among the red in such a way as to form odd and unique designs. It is an attractive way of doing, for it varies the staid simplicity of the solid color. But for all it may seem original and new, it is a style that had its beginning long, long ago, even in the days when the stern Peter Stuyvesant governed with an iron hand over the Dutch colony of fifteen hundred people, the town that was one day to be New York, but which in his time was called New Amsterdam.