30 



Dr. R. J. TiLLYARD, M.A,, F.L.S., gave an account of the 

 Life-Histoiy of the Dragonfly, with special reference to Austra- 

 lasian forms, and illustrated his remarks by a series of lantern- 

 slides. 



This Meeting closes the Session 1919-1920. The next Meeting 

 of the Society for Scientific Business will be held on Tuesday, 

 October 19th, 1920, at 5.30 p.m. A special notice will be 

 circulated early in October. 



The following Papers have been received : — 



J. H. Lloyd, M.Sc, F.Z.S. 



Some Observations on the Structure and Life-History of the 

 common Nematode of the Dogfish {Scyllium canicula). 



Wm. a. CuNNiNGToy, M.A., Ph.D., F.Z.S. 



The Fauna of the African Lakes ; a Study in Comparative 

 Limnology, with special reference to Tanganyika. 



W. N. F. Woodland, D.Sc, F.Z.S. 



On some Results of ligaturing the Anterior Abdominal Vein 

 in the Indian Toad [Bufo stomaticus Lutkin). 



Haru Ram Mehra, M.Sc. 



On the Sexual Phase in certain Indian Naididae (Oligochceta). 



