SEPTEMBER 5th, 1919. 



The President gave a short address welcoming the 

 members to the opening of the winter session 1919/20, after 

 which the meeting was thrown open. 



MEMBERS' EXHIBITS— 



Desmids — Closterium ... 



Pond Life 



Living: objects ... 

 Pond Life... 



Diatoms 



Pond Life... 



Nereis — Polychseta, class Chjetopoda. 



Insects 



Various 



And others. 



James Brown. 



Theodore Garnett. 



J. Gould. 



J. A. Henderson, 



E. Leonard. 



Jas. D. Macphail. 



W. H. Read. 



C. H. Hesketh-Walker. 



H. T. White. 



OCTOBER 3rd, 1919. 



Mr. R. A. Sloan gave an address upon the methods of 

 finding the focal length of lenses, illustrated with numerous 

 diagrams on the blackboard. 



MEMBERS' EXHIBITS— 



Snakeshead Coralline (Aaeta ang-uina) 



Pond Life... 



Leaf appendages of various plants... 



Fredericella sultana 



West Indian Spong-es, &c., sent by 

 J. L. Redder, Barbadoes ... 



Living- Diatoms — Bacillaria paradoxa. 



Lophopus crystallinum — mounted ... 



Plumatella repens do. 



Radiolaria 



Tong-ue and Lancets of Clegg or 



Horse Fly 



And others. 



g. n. coombs. 

 Theodore Garnett. 

 E. A. Gibson. 

 J. Gould. 



Jas. D. Macphail. 



T. Muskett. 



J. T. Norman-Thomas. 



do. 



do. 



E. Gardiner Williams. 



