352 PROCEEDINGS OF THE SOCIETY. 



Mr. D. J. Scourfield and Mr. C. J. IT. Sidwell :— Three exhibits of 

 Daphnia magna, Strauss (= D. Schaefferi). 1. Adult 9 5 shown with 

 polarised light in order to bring out more clearly the muscular struc- 

 ture and the deposits of carbonate of lime in the shell. 2. Young 9 , 

 to show the difference in the outline of the shell as compared with the 

 adult. 3. Adult <£ , showing the highly developed first pair of antennae, 

 hooks on the first pair of feet, testis, vas deferens, and penis. 



Mr. Chas. D. Soar : — Hydryphardes rubra, showing median eye. 



Mr. W. K. Traviss : — Hsematococcus pluvialis, the " Blood-Rain 

 Plant," from a tank in Camden Square. 



Mr. A. Verinder : — Melicerta ringens. 



