EAY SOCIETY. 



ANNUAL SUBSCRIPTION ONE GUINEA. 



RECENTLY ISSUED AND FORTHCOMING MONOGRAPHS. 



For the Sixty-first Year, 1904. 



A Monograph of the British Desmidiacese. By W. WEST and 

 G. S. WEST. Vol. I. xxxvi + 224 + 64 pp., 32 plates. 

 8vo. 1904. 



The British Tunicata. By the late JOSHUA ALDER and the 

 late ALBANY HANCOCK. Edited by JOHN HOPKINSON, with 

 a history of the work by the Rev. A. M. NORMAN, xvi 

 + 148 + 40 pp., 20 plates, and frontispiece. 8vo. 1905. 



For the Sixty-second Year, 1905. 



A Monograph of the British Desmidiacea?. By W. WEST 

 and G. S. WEST. Vol. II. x + 206 + 64 pp., 32 plates 

 (xxxiii-lxiv). 8vo. 1905. 



The British Freshwater Rhizopoda and Heliozoa. By JAMES 

 CASH, assisted by JOHN HOPKINSON. Vol. I. The Rhizo- 

 poda, Part I. x + 150 + 32 pp., 16 plates. 8vo. 1905. 



In Course of Publication. 



The British Annelids. By Prof. W. C. MC!NTOSH. 

 The British Desmidiacea3. By W. WEST and Prof. G. S. 

 WEST. 



The British Freshwater Rhizopoda and Heliozoa. By JAMES 

 CASH. 



The British Tunicata. By the late JOSHUA ALDER and the 

 late ALBANY HANCOCK. 



Preparing for Publication. 



The British Centipedes and Millepedes. By WILFRED MARK 

 WEBB. 



The British Characeas. By HENRY and JAMES GROVES. 

 The British Parasitic Copepoda. By Dr. THOMAS SCOTT and 

 ANDREW SCOTT. 



The British Sphagnaceae. By E. C. HORRELL. 



