president's address. 1209 



16. "A Monograph of the Australian Sponges." Part II. 

 By R. von Lendenfeld, Ph.D. 



17. "The Australian Hydromedusse." Part II. Plate VI. 

 By E. von Lendenfeld, Ph.D. 



18. "Revision of the Recent Rhipidoglossate and Docoglossate 

 Mollusca of New Zealand." By Professor F. W. Hutton, F.G.S. 



19. "Notes on Hybridism in the Genus Brachychiton." By 

 Baron Sir F. von Mueller, K.C.M.G., F.R.S., &c. 



20. " Notes on the Claspers of Heptanchus." Plate V. By 

 W. A. Haswell, M.A., B.Sc. 



21. "New Australian Fishes in the Queensland Museum." By 

 Charles W. De Vis, M.A. 



22. "-The Australian Hydromedusse." Part III. Plates VII. 

 and VIII. By R. von Lendenfeld, Ph. D. 



23. " The Digestion of Sponges Ectoderm and Entoderm ?" By 

 R. von Lendenfeld, Ph.D. 



24. " The Eruption in the Straits Settlement and the Evening 

 Glow." By R. von Lendenfeld, Ph.D. 



25. " Occasional Notes on Plants Indigenous in the immediate 

 neighbourhood of Sydney." No. 7. By. E. Haviland, 



26. " New Australian Fishes in the Queensland Museum " 

 No. 2. By Charles W. De Vis. M.A. 



27. "On a Marine Species of Philougria." Plate XI. By 

 Charles Chilton, M.A. 



28. " The Australian Hydromedusse." Part IV. Plates XII. 

 10 XVII. By R. von Lendenfeld, Ph.D. 



29. " On the Occurrence of Flesh-spicules in Sponges." By 

 R. von Lendenfeld, Ph.D. 



30. " Note on the Slimy Coatings of certain Boltenias in Port 

 Jackson." By R. von Lendenfeld, Ph.D. 



