ISSUED BY THE RAY SOCIETY. 27 



For the Thirty-fourth Year, 1877. 



A Monograph of the British Aphides. By G. B. Buckton, 

 F.R.S, Vol. II. Fifty Plates. 8vo. 



For the Thirty-fifth Year, 1878. 



A Monograph of the British Copepoda. By G. S. Brady, 

 M.D., F.L.S. Vol. II. Forty-nine Plates. 8vo. 



For the Thirty-sixth Year, 1879. 



I. A Monograph of the British Copepoda. By G. S. Brady, 



M.D., F.L.S. Vol. III. Eleven Plates. 8vo. (Com- 

 pleting the work.) 



II. A Monograph of the British Spongiadse. By the late 



J. S. Bowerbank, LL.D., F.R.S. Edited, with additions, 

 by Rev. A. M. Norman, M.A., F.L.S. Vol. IV. Seven- 

 teen Plates. 8vo. (Completing the work.) 



For the Thirty-seventh Year, 1880. 



A Monograph of the British Aphides. By G. B. Buckton, 

 F.R.S. Vol. III. Twenty-eight Plates. 8vo. 



For the Thirty-eighth Year, 1881. 



A Monograph of the British Phytophagous Hymenoptera. 

 By P. Cameron, F.E.S. Vol.1. Twenty-one Plates. 8vo. 



