EECENTLT ISSUED AND FORTHCOMING MONOGEAPHS. 7 



For the Seventy-second Tear, 1915. 



98. The British Freshwater Ehizopoda and Heliozoa. By 

 James Cash and Geoege Heebeet Wailes, assisted by John 

 HoPKiNSON. Vol. III. The Rhizopoda, Part III. By G. H. 

 Wailes. xxiv + 156 + 52 pp.^ 25 plates, and frontispiece. 

 8vo. 1915. 



99. The Principles of Plant-Teratology. By W. C. Woes- 

 dell. Vol. I. Text and 25 plates. 8vo. 1915. 



In Course of Publication. 



The British Desmidiaceae. By W. West and Prof. G-. S. 



West. 



The British Freshwater Rhizopoda and Heliozoa. By 

 the late James Cash and (after Vol. II) Gr. H. Wailes. 



The British Marine Annelids. By Prof. W. C. McIntosh. 

 (Vol. Ill, part 2, plates, for 1916.) 



The Principles of Plant-Teratology. By W. C. Woesdell. 

 (Vol. II for 1916.) 



Preparing for Publication. 



The British Charace^. By James GtEOTEs. 



The British Centipedes and Millepedes. By W. M. Webb. 



The British Earthworms. By the Rev. Hildeeic Feiend. 



The British Hydrachnidse. By C. D. Soae and W. 

 Williamson. 



The British Ixodoidea. By W. F. Coopee and L. E. Robinson. 



The Earwigs of the World. By Dr. Malcolm Buee. 



October, 1916. 



