Eledone, bv Miss A. Isgrove, is conipletetl and will appear 

 at an early date ; Doris, by Sir C. Eliot, is far advanced 

 and ought to be out during 1909. It is hoped that 

 Cucumaria, Buccinum, and the Oyster will follow soon. 

 Memoir I. Ascidia, W. A. Herdman, 60 pp., 3 Pis., 2s. 

 „ II. Cardium, J. Johnstone, 92 pp., 7 Pis., 2s. 6d. 

 „ III. Echinus, H. C. Chadwick, 36 pp., 5 Pis., 2s. 

 „ IV. CoDiuM, R. J. II. Gibson and Helen Auld, 



26 pp., 3 Pis., Is. 6d. 

 „ Y. Alcyonium, S. J. Hickson, 30 pp., 3 Pis., ls.6d, 

 ,, VI. Lepeophtheirus and Lern3:a, Andrew Scott, 



62 pp., 5 Pis., 2s. 

 „ VII. LiNEUs, R. C. Punnett, 40 pp., 4 Pis., 2s. 

 „ VIII. Plaice, E. .7. Cole and .1. .Tohnstone, 260 pp., 



11 Pis., Ts. 

 „ IX. Chondrus, O. V. Darbishire, oO pp., 7 Pis., 

 2s. 6d. 

 X. Patella, J. R. A. Davis and H. J. Eleure, 

 84 pp., 4 Pis., 2s. 6d. 

 „ XL Arenicola, J. li. Ashworth, 126 pp., 8 Pis., 



4s. 6d. 

 ,, XII. (tammarus, M. Cussans, 55 pp., 4 Pis., 28. 

 ,. XIII. Anurida, a. D. Imms, 107 pp., 8 Pis., 4s. 

 „ XIV. LiGiA, C. G. Hewitt, 45 pp., 4 Pis., 2s. 

 ,, XV. Antedon, H. C. Chadwick, 55 pp., 7 Pis., 2s. 6d. 

 ,, XVI. Cancer, J. Pearson, 217 pp., 13 Pis., Gs. 6d. 

 „XVII. Pecten, W. J. Dakin. 144 pp., 9 Fls., 4s. 6d. 

 ,,XVIII.ELEnoNE, A. Isgrove. 



Doris, Sir Charles Eliot. 



(JucuMARiA, E. Ilindle. 



Oyster, AV. A. Herdman and J. T. -Tenkins. 



OsTRACOD (Cythere), Andrew Scott. 



BrcciNUM, W. B. Randies. 



