In 1882, the Supreme Court first established the conditions precedent to an ordinary derivative action by the shareholders of a corporation. Now after over nine decades of common law development, the present conditions are embodied in Rule 23.1 of the Federal Rules of Civil Procedure. Of relatively recent interest, however, is the relationship between that Rule and section 36(b) of the Investment Act of 1940 (Act), which authorizes a derivative action by the shareholders of a registered investment company. This Note will focus on one aspect of that relationship--the requirement that a plaintiff make a demand upon the corporation\u27s directors before he institutes his action. Rule 23.1\u27s requirement of a director demand has been t...