NOTICE. 



The Committee desire to intimate that no copies of these 

 Memoirs will be presented or exchanged, as the prices 

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

 to be sold to meet the cost of production. 



The Memoirs may be obtained, post free at the nett 

 prices stated, from Messrs. AVilliams and Xorg-ate, 14, 

 Henrietta Street, Covent Garden, London. 



Memoir I. Ascidia — -published in October, 1S99, HO pp. 

 and five plates, price 2s. 

 ,, II. Cardinm — published in December, 1899, 



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

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



'■)(] pp. and five plates, price 2s. 

 ,, IV. Codium— published in April, 1900, 20 pp. 



and three plates, price Is. 6d. 

 „ Y. Alcyonium — published in January, 1901, 



30 pp. and three plates, price Is. 6d. 

 „ VI. Lepeophtheirus and Lernsea — now ready 

 (March, 1901), 62 pages and five plates, 

 price 2s. 

 ,, VII. Linens — (in April), Avith four plates. 



