LIXNEAN SOCIETY OF LOXDo:sr. 6;^ 



(d) Diagram of the Evolution of Tetraxonid Siliceous 

 Sponge-Spicules. 



7. Prof. J. Brexlaxd Farmer, F.R.S., F.L.S. 



Preparations showing the phenomena of Apogamy, the 

 asexual production by budding of new plants from a pro- 

 thallium. 



8. The President, Prof. Herdmax, D.Sc, F.R.S., F.L.S. 



(«) Photographs and specimens illustrating the Oyster 

 Fisheries of Ceylon, and (b) A series of Plankton gatherings 

 illustrating both quantitative and qualitative vaiiation, 

 according to locality, date, and net used. 



9. Mr. Frederick Keeble. M.A. 



The infecting organism of Convoluta roscoffensis. 



10. ]\[r. Francis J. Lewis, F.L.S. 



Plant-remains, Seeds, Leaves, ifec. from the Peat. 



11. Prof. F. W. Oliver, D.Sc, F.R.S., F.L.S. 



Charts and Photographs to illustrate a stage in the 

 development of a Salt- Marsh. (From the Erquy Station.) 



12. Mr. J. A. We4le. 



Photographs of transverse sections of Castanea vesca 

 and Aristolochia Sipho. 



Lohby. 



13. Mrs. D. H. Scott, F.L.S. 



Animated photographs of Plant-life shown by the Kam- 

 matograph. 



East Gallery. 



14. Copies of addresses sent by («) The Linnean Society of 



London, and (5) The Royal Society, to the Royal University 

 of Uppsala and The Royal Swedish Academy of Sciences, 

 Stockholm, i-espectively. 



North Gallery. 

 1.5. Prof. J. P. Hill, D.Sc, F.L.S. 



Photographs and drawings illustrating the development 

 and life-history of the Native Cat {Dasyurus viverrinus), 

 one of the pouched mammals or Marsupialia of Australia. 



The photographs and drawings exhibited represented (1) a 

 practically complete series of developmental stages beginning in 

 the unsegmented e^x^: and ending in the newly-born yoimg, and 

 (2) the subsequent growth of the young in the pouch dui-ing a 

 period of three months. 



Attention was directed to the micropbotographs of segmenting 

 e^§?'. and to the drawings showing the recently born young just 

 before and j ust after the attachment to the teat. 



South Gallery. 

 16. Mr. J. Stanley Gardixer, M.A., F.L.S. 



Photographs taken during his recent voyage in the Indian 

 Ocean in H.M.S. ' Sealark,' for the Percy Sladen Trust. 



