Sort By:
  1. A monograph of the fresh-water polyzoa : including all the known species, both British and foreign / by George James Allman.
    By: Allman, George James,
    Publication info: London :Ray Society,1856.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Bryozoa  Ectoprocts  
    BHL Collections: Charles Darwin's Library | Ernst Mayr Library of the MCZ, Harvard University
    View Book