FOBTHOOMING MONOGEAPHS. 5 



For the Seventy-second Tear, 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. McIntosh. 

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

 1915. 



101. The Principles of Plant-Teratology. By W. 0. 

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

 liii). 8vo. 1916. 



For the Seventy-fourth Year, 1917. 



102. The British Oharophyta. By James Geoves and Canon 

 George Russell Bullock-Webstee. Vol. I. Nitellese, with 

 Introduction, xiv + 142 4- 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 hj John Hopkinson. 

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

 and Bibliography by John Hopkinson. xii + 130 -f 12 pp., 

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



104. The British Freshwater Rhizopoda and Heliozoa. 

 Vol. V. Heliozoa. By G. H. Wailes. x -f 72 -|- 24 pp., 11 

 plates (Ixiv-lxxiv) . 8vo. 1921. 



For the Seventy-sixth Year, 1919. 



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

 Lucas, xii + 264 -f 52 pp., 26 plates. 1920. 



In Course of Publication. 



The British Charophyta. By James Geoves and Canon 

 Bullock-Webstee. (Vol. II will complete the work.) 



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



The British Desmidiacese. By the late W. and G. S. West. 



