PROCEEDINGS OF THE SOCIETY. 415 



Mr. J. W. Gordon reminded the Fellows that there would be a 

 Meeting of the " Brass and Glass " Section on Wednesday, May 26th, 

 when there would be a demonstration on the centring of the Microscope. 



New Fellows : — The following were balloted for and duly elected 

 Ordinary Fellows of the Society : Messrs. Arthur Cyrus Butterworth, 

 Alexander D. Ferguson, Thomas S. Stewart, Francis Langridge Winton. 



The following Instruments, Objects, etc., were exhibited : — 



Mr. J. W. Ogilvy : — Blood from rat showing living Trypanosomes, 

 under dark-ground illumination ; Living typhoid bacilli, under 

 dark-oTound illumination. 



to* 



Specimens of Pond-life as follow : — 



Messrs. H. F. Angus and A. C. Banfield : — Some of the larger forms 



of Pond-life, such as Hydrophilus pkeus, Argyroneta aquatka, etc., 



in small aquaria approximating to natural conditions, shown under 



Binocular Magnifiers x 1. 

 Mr. F. W. Watson Baker -.—Hydra tuba, Ephyra ; Lophopus crystal- 



linus. 

 Mr. Jas. Burton : — Arthrospira jenneri, a rare alga, found in lake at 



Golder's Hill, Hampstead. 

 Mr. C. Campbell : — Volvox and an aquatic larva. 

 Mr. F. W. Chipps : —Young stage of Flumatella repens. 

 Mr. T. N. Cox : — Nitella, showing moment of protoplasm. 

 Mr. E. Cuzner : — Frederkella sultana from Quekett excursion, 1908 ; 



( 'nleps Mrtus, Bursaria, etc. 

 Mr. D. Davies : — Frederkella sultana, Melkerta ringens. 

 Mr. A. Downs : — Hydra viridis ; Volvox globator. 

 Mr. J. Drinkwater : — Bursaria truncatella ; Stephanoceros ekhhorni. 

 Mr. H. E. Freeman : — Anguillula aceti (vinegar eels). 

 Mr. Chas. E. Heath : — Lophopus crystallinus. 

 Mr. A. E. Hilton : — Frederkella sultana. 

 Mr. E. Hinton : — Drapamaldia plumosa. 

 Mr. A. M. Jones : — Daphnia pulex. 

 Mr. K. I. Marks : — Rotifera, various. 

 Mr. H. S. Martin : — Daphnia pulex (young female). 

 Mr. J. M. Offord : — Hydra vulgaris. 

 Mr. J. I. Pigg : — Hydra viridis. 

 Mr. F. J. W. Plaskitt : — Merklion circulare. 

 Mr. J. H. Pledge : — Volvox globator, showing irregularity of outline of 



cells and protoplasmic connections x 200. 

 Mr. D. J. Scourfield : — Volvox aureus, showing regularity of outline of 



cells and protoplasmic connections, also showing pigment spots in 



cells at anterior pole under ^ in. oil-immersion objective. 

 Mr. C. J. H. Sidwell -.— Volvox globator, showing constant current from 



anterior to posterior pole x 150. 



