Biodiversity Heritage Library
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, Museum of Comparative Zoology, Ernst Mayr Library
Subjects: Bryozoa Ectoprocts
BHL Collections: Charles Darwin's Library