VI ]. 



1900, ami tlio sixth will he ready early in 1901 ; others will 

 follow, it is hoped, in rapid succession. 

 Memoir I. Ascidia, AV. A. Herdman, 00 pp., 5 Pis., 2s. 

 ,, II. Caeuium, J. Johnstone, 92 pp., 7 Pis., 2s. Od 

 „ III. EcHixus, H. C. Chadwick, .'ili pp., 5 Pis., 2s. 

 „ lY. CoDiUM, R. J. H. Gil)son and Helen Auld, 



2G pp., .'3 Pis., Is. (id. 

 ,, y. Alcyonium, S. J. Hickson, 30pp., 3 Pis., Is. 6d. 

 „ YI. Lerx,i<:a, &c., Andrew Scott, 5 Pis. 



Dendronotus, 'T. a. Clubb. 



Peridixians, Gr. Murray and F. G. AYliitting. 



ZosTERA, Iv. -1. Harvey Gibson. 



HiMAXTHALiA, C. E. Jones. 



Diatoms, F. E. Weiss. 



Fucrs, J. B. Farmer. 



GiuARi'iNA, 0. Y. Darbishirc. 



LiXEUS, li. C. Punnett. 



Plaice, F. J. Cole and -J. .lohntiionc. 



BoTRYLLOiUES, AY. A. Herdman. 



CuTTLE-Fisii (EleduiVe), AY. E. Hoyle. 



OsTRAcoD (Cytiiere), Andrew Scott. 



Patella, J. R. A. Davis and H. J. Fleiue. 



Calanus, I. C. Thompson. 



AcTixiA, J. A. Clubb. 



BiTGULA, Laura R. Tliornely. 



Hydroid, E. T. Browne. 



Myxine, G. B. Howes. 



BucciNUM, M. F. Woodward. 



Calcareous Spoxge, R. Hanitsch. 



Aeexicola, J. H. AsliAvorth. 



AxTEDON, H. C. Chadwick. 



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



Porpoise, A. M. Paterson. 

 Ill addition to these, other Memoirs will be arranged 



