4 PUBLICATIONS OF THE RAY SOCIETY. 



For tie Sixty-sixth Year, 1909. 



90. The British Nndibranchiate Mollusca. By the late 

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

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

 8 plates. Folio. 1910. 



For the Sixty-seventh Year, 1910. 



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



II, Part 2. Polychoeta. Syllidse to Ariciidae. vii + 292 

 (233-524) +46 pp., 23 plates (li-lvi, Ixxi-lxxxvii). Folio. 

 1910. 



For the Sixty-eighth Year. 1911. 



U U s 



92. A Monograph of the British Desnridiaceae. By W. WEST 

 and Prof. Gf S. WEST. Vol. IV. xiv + 194 + 66 pp., 33 

 plates (xcvi-cxxviii). 8vo. 1912. 



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

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



III. xii + 114 + 34 pp., 16 plates (li-lxvi). 8vo. 1912. 



In Course of Publication. 



The British Desinidiacea?. By W. WEST and Prof. G. S. 

 WEST. 



The British Freshwater Bhizopoda and Heliozoa. By 

 the late JAMES CASH and (after Vol. II) G. H. WAILES. 



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



Preparing for Publication. 



A Bibliography of the Tunicata. By JOHN HOPKINSON. 

 For 1912. 



The British Parasitic Copepoda. By Dr. THOMAS SCOTT and 

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

 for 1912. 



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



The British Characeae. By HENRY and JAMES GROVES. 



The British Earthworms. By the Rev. HILDERIC FRIEND. 



The British Hydrachnidre. By C. D. SOAR and W. 

 WILLIAMSON. 



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

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



December, 1911. 



