PUr.Ll CATIONS OF THE EAY SOCIETY. 23 



For flip Thirty-second Tear, 1875. 



52 A Monograph of the British Aphides. By GEORGE 

 BOWDLER BOCKTON. Vol. I. x -f 194 + 78 pp., 42 

 plates (A-C, i-xxxviii, iv his). 8vo. 1876. 



For the Thirty-third Year, 1876. 



53 A Monograph of the Free and Semi-parasitic Copepoda 

 of the British Islands. By G. STEWAEDSON BRADY. Vol. I. 

 i v + us + 72 pp., 36 plates (1-33, 10A, 24A, 24s). 8vo. 

 1878. 



For the Thirty-fourth Year, 1877. 



54 A Monograph of the British Aphides. By GEORGE 

 BOWDLER BOCKTON. Vol. II. iv + 176 + 100 pp., 50 

 plates (xxxix Ixxxvi, li bis, Ixix bis). 8vo. 1879. 



For the Thirty-fifth Year, 1878. 



55 A Monograph of the Free and Semi-parasitic Copepoda 

 of the British Islands. By G. STEWARDSON BRADY. Vol. 



II. iv + 182 + 98 pp., 49 plates (34-82). Svo. 1880. 



Fur the Thirty-sixth Year, 1879. 



56 A Monograph of the Free and Semi-parasitic Copepoda 

 of the British Islands. By G. STEWARDSON BRADY. Vol. 



III. iv + 84 + 22 pp., li plates (83-93). Svo. 1880. 



57 A Monograph of the British Spongiadae. By the late 

 J. S. BOWERBANK. Vol. IV (Supplementary). Edited, 

 with additions, by the Rev. A. M. NORMAN, xviii + 250 

 + 34 pp., 17 plates. Svo. 1882. 



For the Thirty-seventh Year, 1880. 



58 A Monograph of the British Aphides. By GEORGE 

 BOWDLER BUCKTON. Vol. III. vi + 142 + 56 pp., 28 

 plates (Ixxxvii-cxiv). Svo. 1881. 



For the Thirty-eighth Year, 1881. 



59 A Monograph of the British Phytophagous Hymenoptera. 

 By PETER CAMERON. Vol. I. viii + 340 + 42 pp., 21 

 plates. Svo. 1882. 



For the Thirty-ninth Year, 1882, 



60 A Monograph of the British Aphides. By GEORGE 

 BOWDLER BDCKTON. Vol. IV. x + 228 + 62 pp., 27 

 plates (D I, cxv cxxxiv, cxiv bis). Svo. 1883. 



