Z PUBLICATIONS OF THE RAY SOCIETY. 



For the Third Year, 1846. 



7. Outlines of the Geography of Plants. By F. J. F. 

 MEYEN. Transl. by MARGARET JOHNSTON, x + 422 pp., 1 

 plate. 8vo. 1846. 



8. The Organization of Trilobites. By HERMANN BURMEISTER. 

 Edited by THOMAS BELL and EDWARD FORBES, xii + 136 pp., 

 6 plates. Folio. 1846. 



9. A Monograph of the British Nudibranchiate Mollusca. 

 By JOSHUA ALDER and ALBANY HANCOCK. Part III. iv + 30 

 pp., 12 plates. Folio. 1847. 



For the Fourth Year, 1847. 



10. Elements of Physiophilosophy. By LORENZ OKEN. From 

 the German by ALFRED TULK. xx + 666 pp. 8vo. 1847. 



11. Keports on Zoology for 1843, 1844. Transl. from the 

 German by GEORGE BOSK, ALFRED TULK, and A. H. HALIDAY. 

 viii + 596 pp. 8vo. 1847. 



Progress of Zoology in 1843. pp. 1-232. 



1844. pp. 233-564. 

 Index, pp. 565-596. 



12. A Monograph of the British Naked-eyed Medusas. By 

 EDWARD FORBES, viii + 104 pp., 13 plates. Folio. 1848. 



For the Fifth Year, 1848. 



13. Bibliographia Zoologia3 et Geologias. A Gener-al Cata- 

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

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

 Vol. I. Periodicals, and A-B. xxvi + 506 pp. 8vo. 

 1848. 



14. The Correspondence of JOHN RAY. Edited by EDWIN 

 LANKESTER. xvi + 502 pp., 2 plates. 8vo. 1848. 



15. A Monograph of the British Nudibranchiate Mollusca. 

 By JOSHUA ALDER and ALBANY HANCOCK. Part IV. iv + 

 28 pp., 12 plates. Folio. 1848. 



For the Sixth Year, 1849. 



16. Reports and Papers on Botany. Edited by ARTHUR 

 HENFREY. viii + 514 pp., 3 plates. 8vo. 1849. 



On the Structure of the Palin-stem. By H. TON MOHL. pp. 1-92, 

 495, pi. i. 



On the Nuclei, Formation, and Growth of Vegetable Cells. By CARL 

 NAGELI. Part II. pp. 93-158, 495-502, pis. ii, iii. 



On the Utriciilar Structures in the Contents of Cells. By CAKL 

 NAGELI. pp. 159-190. 



Eeport on Physiological Botany for 1844 and 1845. By H. T. LINK. 

 pp. 191-314. 



