RECENTLY ISSUED AND FORTHCOMING 
MONOGRAPHS. 
For the Siaty-first Year, 1904. 
82. The British Desmidiacer. By W. and G. S. Wesr. 
Vol. I. xxxvi + 224 + 64 pp., 32 plates. 8vo. 1904. 
83. The British Tunicata. By the late Josnua Auper and the 
late Avpany Hancocx. Edited by Jonn Hopkinson. Vol. I. 
With a History of the Work by Canon A. M. Norman. 
xvi + 146 + 42 pp., 20 plates, and frontispiece. 8vo. 
1905. 
For the Siaty-second Year, 1905. 
84. The British Desmidiaceew. By W.and G. S. West. Vol. 
II. x + 206 + 64 pp., 32 plates (xxxiii-Ixiv). 8vo. 1905. 
85. The British Freshwater Rhizopoda and Heliozoa. By 
James Casu, assisted by Joun Hopxinson. Vol. I. The 
Rhizopoda, PartI. x + 150 + 32 pp.,16 plates. 8vo. 1905. 
For the Sixvty-third Year, 1906. 
86. The British Tunicata. By the late JosHua ALpER and the 
late Atpany Hancock. Edited by Joun Hopxinson. Vol. 
II. With Lives of the Authors by Canon Norman and 
Dennis Embleton. xxviii + 164 + 62 pp., 30 plates (xxi-l), 
and frontispiece. &vo. 1907. 
For the Sixty-fourth Year, 1907. 
87. The British Marine Annelids. By W. C. McIyvosa. 
Vol. 11, Part I. Polychaeta. Nephthydide to Syllide. viii 
+ 232 + 46 pp., 22 plates (xliii-l, lvii-Ixx). Folio. 1908. 
For the Siaty-fifth Year, 1908. 
88. The British Desmidiacee. By W. and G.S.Wesr. Vol. 
Ill. xvi + 274 + 62 pp., 31 plates (Ixv-xev). 8vo. 1908. 
89. The British Freshwater Rhizopoda aud Heliozoa. By 
the late Jamus CasH, assisted by Joun Hopkinson. Vol. II. 
The Rhizopoda, Part II. xvii + 168 + 32 pp., 16 plates 
(xvii-xxxii), and frontispiece. 8vo. 1909. 
i 
