4 PUBLICATIONS OF THE HAY SOCIETY. 



For the Sixty-sixth Year, 1909. 



90. The British Nudibranchiate Mollusca. By the late 

 JOSHUA ALDER and the late ALBANY HANCOCK. Part 8 (supple- 

 mentary). Text by Sir CHARLES ELIOT, yiii + 198 + 18 pp., 

 8 plates. Folio. 1910. 



For the Sixty-seventh Year, 1910. 



9 1 . The British Annelids. By WILLIAM CARMICHAEL MC!NTOSH. 

 Vol. II, Part 2. Polychasta (continued), vii + 292 (233-524) 

 + 46 pp., 23 plates (li-lvi, Ixxi-lxxxvii). Folio. 1910. 



For the Sixty-eighth Year, 1911. 



92. The British Desmidiacea3. By W. and G. S. WEST. Vol. 

 IV. xiv + 194 + 66 pp., 33 plates (xcvi-cxxviii). 8yo. 1912. 



93. The British Timicata. By the late JOSHUA ALDER and 

 the late ALBANY HANCOCK. Edited by JOHN HOPKINSON. Vol. 

 III. xii + 114 + 34 pp., 16 plates (li-lxvi) ; and frontispiece. 

 8yo. 1912. 



For the Sixty-ninth Year, 1912. 



94. A Bibliography of the Timicata. By JOHN HOPKINSON. 

 xii + 288 pp. 8vo. 1913. 



95. The British Parasitic Copepoda. By THOMAS and 

 ANDREW SCOTT. Vol. I (Copepoda parasitic on Fishes, Part 

 I), xii + 252 + 4 pp., 2 plates. 8vo. 1913. (Vol. II, 72 

 plates, for 1913.) 



In Course of Piil>Ucatio)i. 



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

 WEST. (Vol. V for 1914.) 



The British Freshwater Rhizopoda and Heliozoa. By 

 the late JAMES CASH and G. H. WAILES. (Vol. Ill for 1914.) 



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



Preparing fur Publication. 



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

 The British Earthworms. By the Key. HILDERIC FRIEND. 

 The British Hydrachmda?. " By C. D. SOAR and W. 

 WILLIAMSON. 



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

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



Mnrcli, 1013. 



