Johnson, Herbert Parlin 1903. Fresh-water nereids from the Pacific coast and Hawaii, with remarks on fresh-water Polychaeta in general. 205-222. In. Mark Anniversary Volume. To Edward Laurens Mark, Hersey professor of anatomy and director of the zoölogical laboratory at Harvard university, in celebration of twenty-five years of successful work for the advancement of zoölogy from his former students, 1877-1902. Henry Holt & Co. New York.