RECENTLY ISSUED AND FORTHCOMING MONOGRAPHS. 7 



For the Seventy -second Year, 1915. 



98. The British Freshwater Rhizopoda and Heliozoa. By 

 JAMES CASH and GEORGE HERBERT 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. WORS- 

 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. MC!NTOSH. 

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



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

 (Vol. II for 1916.) 



Preparing fvr Publication. 



The British Characeae. By JAMES GROVES. 



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



The British Earthworms. By the Rev. HILDERIC FRIEND. 



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

 WILLIAMSON. 



The British Ixodoidea. By W. F. COOPER and L. E. ROBINSON. 

 The Earwigs of the World. By Dr. MALCOLM BURR. 



October, 1915. 



