In Course of Publication.
The British Marine Annelids. By Prof. W. C. McIntosh. Vol. II, Part II, for 1910, with
22 plates (6 coloured).
The British Desmidiaceas. By W. West and Prof. G-. S. West. Vol. IV for 1911, with
about 30 plates.
The British Freshwater Rhizopoda and Heliozoa. By the late J ames Cash.
The British Tunicata. By the late J oshua A ldee and the late Albany H ancock. Vol. I ll
for 1911, with 16 plates (14 coloured).
Preparing for Publication.
The British Centipedes and Millepedes. By Wilfbed Maek W ebb.
The British Characese. By H eney and J ames Geoves.
The British Earthworms. By the Rev. H ildebio F biend.
The British Hydrachnidse. By C. D. Soae and W. Williamson.
The British Ixodoidea. By W. F. Coopeb and L. E. Robinson.
The British Parasitic Copepoda. By Dr. T homas Scott and Andbew Scott.
The Earwigs of the World. By Dr. Malcolm Buee.
The Annual Subscription is One Guinea.
R A Y S O C I E T Y .
y
INSTITUTED MDG0CXLIV.
This Volume is issued to the Subscribers to the Ray Society for the Year 1909.
L ONDON:
MCMX.