Polychæta from the N. E. Pacific: The Chætopteridæ With an Account of the Phenomenon of Asexual Reproduction in Phyllochatopterus and the Description of Two new species of Chætopteridæ from the Atlantic. By F. A. Potts, M A., Fellow of Trinity Hall, Cambridge, and Balfour Student of the University*.

  • *

    Communicated by the Secretary.