ISSUED BY THE RAY SOCIETY. Uy 


For tHe Tuirty-rourtH YEAR, 1877. 
A Monograph of the British Aphides. By G. B. Buckton, 
F.R.S, Vol. II. Fifty Plates. 8vo. 
For tHe Tuirty-Frirtra YEAR, 1878. 
A Monograph of the British Copepoda. By G. 8. Brady, 
M.D., F.L.S. Vol. If. Forty-nine Plates. 8vo. 
For tHe Tuirty-sixtH YeEar, 1879. 
I. A Monograph of the British Copepoda. By G. 8. Brady, 
M.D., F.L.S. Vol. III. Eleven Plates. 8vo. (Com- 
pleting the work.) 
II. A Monograph of the British Spongiade. By the late 
J. S. Bowerbank, LL.D., F.R.S. Edited, with additions, 
by Rev. A. M. Norman, M.A., F.L.8. 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. Ili. Twenty-eight Plates. 8vo. 
For tHe THirty-EIcGHtH YEAR, 1881. 
A Monograph of the British Phytophagous Hymenoptera. 
By P. Cameron, F.E.S. Vol. I. Twenty-one Plates. 8vo. 
