PUBLICATIONS OF THE RAY SOCIETY. 23 



Report on Geographical Botany for 1844. By A. GRISEBACH. pp. 

 315-414. 



Report on Geographical and Systematic Botany for 1845. By A. 

 GRISEBACH. pp. 415-494. 



17. The Natural History of the British Entomostraca. By 

 VV. BAIRD. viii + 364 pp., 36 plates. 8vo. 1850. 



For the Seventh Year, 1850. 



18. Bibliographia Zoologize et G-eologise. A General Cata- 

 logue of all Books, Tracts, and Memoirs on Zoology and 

 Geology. By Louis AGASSI z. Edited by H. E. STRICKLAND. 

 Vol. 11. C-F. iv + 492 pp. 8vo. 1850. 



19. A Monograph of the British Nudibranchiate Mollusca. 

 By JOSHUA ALDER and ALBANY HANCOCK. Part V. iv + 62 

 pp., 16 plates. Folio. 1851. 



For the Eighth Year, 1851. 



20. The British Species of Angiocarpous Lichens, elucidated 

 by their Sporidia. By the Eev. W. A. LEIGHTOF. vi + 102 

 pp., 30 plates. 8vo. 1851. 



21. A Monograph of the Sub-class Cirripedia. By CHARLES 

 DARWIN. The Lepadidee, or Pedunculated Cirripedes. xii + 

 400 pp., 10 plates. 8vo. 1851. 



For the Ninth Year, 1852. 



22. Bibliographia Zoologia? et Geologias. A General Cata- 

 logue of all Books, Tracts, and Memoirs on Zoology and 

 Geology. By Louis AGASSIZ. Edited by H. E. STRICKLAND. 

 Vol. III. G-M. vi + 658 pp. Svo. 1852. 



23. A Monograph of the British Nudibraiichiate Mollusca. 

 By JOSHUA ALDER and ALBANY HANCOCK. Part VI. iv 4 62 

 pp., 12 plates. Folio. 1852. 



For the Tenth Year, 1853. 



24. Botanical and Physiological Memoirs. Edited by ARTHUR 

 HENFREY. xvi + 568 pp., 6 plates. 8vo. 1853. 



The Phenomenon of Rejuvenescence in Nature. By ALEXANDER 

 BRAUN. pp. vii-xxvi, 1-342, pis. i-v. 



The Animal Nature of Diatomese. By G. MENIGHINI. pp. 343-514. 



The Natural History of Protococcus pluvialis. By FERDINAND COHN. 

 pp. 515-564, pi. vi. 



25. A Monograph of the Sub-class Cirripedia. By CHARLES 

 DARWIN. The Balanidas, the Verrucidee, etc. viii + 684 pp., 

 30 plates. 8vo. 1854. 



