FORTHCOMING MONOGRAPHS. 



For the Seventy -second Year, 1915 (contd.). 



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

 DELL. Vol. I. xxix + 270 + 50 pp., 25 plates. 8vo. 1915. 



For the Seventy-third Year, 1916. 



100. The British Marine Annelids. By W. C. MC!NTOSH. 

 Vol. III. Part II. Plates, viii + 48 pp., 24 plates. Folio. 

 1915. 



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

 WORSDELL. Vol. II. xvi + 296 + 56 pp., 28 plates (xxvi- 

 liii). 8vo. 1916. 



For tie Seventy-fourth Year, 1917. 



102. The British Charophyta. By JAMES GROVES and Canon 

 GEORGE RUSSELL BULLOCK- WEBSTER. Vol. I. Nitelleas, with 

 Introduction, xiv + 142 + 40 pp., 20 plates. 1920. 



For the Seventy-fifth Year, 1918. 



103. The British Freshwater Rhizopoda and Heliozoa. By 

 JAMES CASH and G. H. WAILES, assisted by JOHN HOPKINSON. 

 Vol. IV. Supplement to the Rhizopoda by G. H. WAILES 

 and Bibliography by JOHN HOPKINSON. xii -f 130 + 12 pp., 

 6 plates (Iviii-lxiii). 8vo. 1919. 



For the Seventy -sixth Year, 1919. 



104. A Monograph of the British Orthoptera. By W. J. 

 LUCAS, xii + 264 + 52 pp., 26 plates. 1920. 



In Course of Publication. 



The British Freshwater Rhizopoda and Heliozoa. By 

 the late JAMES CASH and G. H. WAILES. (Vol. V, Heliozoa, 

 will complete the work.) 



The British Charophyta. By JAMES GROVES and Canon 

 BULLOCK- WEBSTER. (Vol. II will complete the work.) 



The British Marine Annelids. Bv Prof. W. C. MC!NTOSH. 



/ 



The British Desmidiacea3. By the late W. and G. S. WEST. 



