Platrix Chapter No.2 is the chapter of E Clampus Vitus covering the areas of Ventura, Los Angeles, and Orange Counties, including Catalina Island. The materials in this box contain the "clamper" publications of this chapter as well as ephemera related to clampouts and other activities. Also included in this box is B.T. Fripps's The Secret History of Southern California, edited by Abraham Hoffman. A folder of correspondence and membership information is part of these materials.