NOTICE. 



The Committee desire to intimate that no copies of these 

 Memoirs will l)e ]iresentefl ot exehanfjed, as the prices 

 have been fixed so low that most of the copies will have 

 to be sold to meet the cost of ])rodnction. 



The Memoirs may he o1)tained, post free at tlie nett 

 piices stated, from Messrs. AVilliams and Norg-ate, 14, 

 Henrietta Street, Covent (larden, London. 



Memoir T. Ascidia — pnhlished in October, 1899, HO pp. 

 and five plates, price 2s. 

 ,, IT. Cardinm — published in ])ecember, 1899, 



92 pp., six plates and a map, price 2s. 6d. 

 ,, III. Echinus — published in February, 1900, 



• Ui pp. and five plates, price 2s. 



,, lY. Codinm — published in April, 1900, 20 pp. 



and three plates, price Is. (Id. 

 ,, Y. Alcyonium — published in January, 1901, 



• )0 pp. and three plates, price Is. Od. 



,, YI. Lepeophtlieirus aiul Lernaea — pu])lislied in 

 March, 1901, 02 pp. and five plates, 

 price 2s. 



,, Yll. Linens — now ready (April, 1901) 37 pp. aiul 

 four plates, price 2s. 



