22 LIST OF ANNUAL VOLUMES 



For the Ninth Year, 1852. 



I. Bibliographia Zoologise et Geologise. By Professor Agassiz. 



Vol. III. 8vo. 



II. A Monograph of the British Nudibranchiate Mollusca. 



By Messrs. Alder and Hancock. Part VI. Twelve 

 Plates. Imp. 4to. 



For the Tenth Year, 1853. 



I. A Monograph of the Family Cirripedia. By C. Darwin, 



M.A., F.R.S. Vol. II. Thirty Plates. 8vo. 



II. A Volume of Botanical and Physiological Memoirs, in- 



cluding Braun on Rejuvenescence in Nature. Six Plates. 

 8vo. 



For the Eleventh Year, 1854. 



Bibliographia Zoologise et Geologiae. By Professor Agassiz. 

 Vol. IV. 8vo. (Completing the work.) 



For the Twelfth Year, 1855, 



A Monograph of the British Nudibranchiate Mollusca. By 

 Messrs. Alder and Hancock. Part VII. Nine Plates. 

 Imp. 4to. (Completing the work.) 



For the Thirteenth Year, 1856. 



A Monograph of the British Fresh-water Polyzoa. By Pro- 

 fessor Allman, F.B.S. Eleven Plates. Imp. 4to. 



