Vll. 



first Memoir appeared in ( )('tohor and the second in 

 December, 1899, tlie third in Fcbruarv, and the fourth in 

 April, 1900, tiie fifth in January, ihe sixth in March, the 

 soventh in April, and tlie eig'lith in December, 1901, the 

 ninth in -Tuly, 1902, while this tenth one will be leady in 

 May, 190o, and an eleveuth later in tlio suuiukm'; 

 others will follow, it is hoped, in rapid successif)n. 

 Probably Arenicola, Myxine, (Taninuirus, and Ihe Oyster 

 will ])e ready next. 



Memoir I. Ascidia, W. A. Herdman, GO pp., 5 Pis., 2s. 

 ,, II. Cardium, J. Johnstone, 92 pp., 7 Pis., 2s. Gd. 

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

 ,, IV. CoDiuM, R. J. H. Gribson and Helen Auld, 



2G pp., 3 Pis., Is. Gd. 

 ,, V. Alcyonium, S. J. Hickson, 30 pp., 3 Pis., Is. Gd. 

 ,, VI. Lepeopiitiieirus and Lern.ea, Andrew Scott, 



G2 pp., 5 Pis., 2s. 

 „ VII. LixEus, P. C. Punnett, 40 pp., 4 Pis., 2s. 

 „ VIII. Plaice, F. J. Cole and J. Johnstone, 2G0 pp., 



11 Pis., 7s. 

 „ IX. CiiONDRrs, 0. V. Darbishire, 50 pp., 7 Pis., 

 2s. Gd. 

 X. Patella, J. E. A. Davis and H. J. Fleure, 

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

 Arenicola, J. H. Ashworth. 

 Myxine, F. J. Cole. 

 BrcciNFM, W. B. Pandles. 

 IkiGULA, Laura P. Thornely. 

 Oyster, W. A. Herdman and J. T. Jenkins. 

 OsTRACoD (Cythere), Andrew Scott. 

 PoRTUXus, J. Pearson and \V. Tattersall. 

 Cycloporits, F. F. Laidlaw. 

 Dendronotits, J. A. Clubb. 



