Kingo Tatsuno, who designed Tokyo Station in the beginning of the 20^<th> century, had finished a number of works so called "Tatsuno-style." The style, however, is not so clear in its origin and development. This paper is to clarify the position of the Tokyo Station in the series of works categorized "Tatsuno-style," and the design source of the style, by focusing on the "string-courses," which is one of the most distinctive features in the style.
