467 



April 6th, 189-i. — Conversational Meeting. 



The following objects were exhibited : — 



Meridion circulare ... ... ... Mr. G. E. Mainland. 



Brachionus pala (moviiiiQ'X) ... ... Mr. C. Rousselet. 



April 20th, 1894. — Ordinary Meeting. 

 A. D. Michael, Esq., F.L.S., Vice-President, in the Ch<air. 



The minutes of the preceding meeting were read and confirmed. 



Mr, F. W. Lewis and Dr. W. McLeod were balloted for and 

 duly elected members of the Club. 



The following donations to the Library were announced : — 

 - Transactions of the Botanical Society of| ^^^^ ^^^ g^^j^, ^ 



Edinburgh " ) 



•* Report and Proceedings of the Ealing") 

 Microscopical Society " ... ) 



" Annals and Magazine of NaturalHistory ". . . Purchased. 



The thanks of the Club were returned to the donors. 



Mr. J. G. Grenfell read a paper on '• Eudorina elegans,^' illus- 

 trating the subject by diagrams and specimens shown under the 

 microscope. 



Mr. Rousselet said that the extraordinary appearance and dis- 

 appearance of these things was most remarkable. Three weeks 

 previously there had been any quantity of them to be got, and a 

 week ago they were all gone, although in the same place there had 

 been millions the week before. 



The Chairman thought Mr. Grenfell's paper had been of much 

 interest, both as describing what he had seen, and as suggesting 

 explanations of what appeared to be new observations. He 

 thought that if there was a layer of mucus surrounding the 

 object, as was the case in most instances, this would supply a 

 reasonable explanation of the fact that the two fiagellas should 

 appear to separate at a little distance from the exterior of the 

 creature, instead of immediately at the surface ; he could not, 

 however, quite follow Mr. Grenfell in calling this investing 

 envelope a cuticle. On looking at the slide exhibited in the room 

 he was unable to make out the three layers which appeared to be 

 the crucial point, but this, of course, did not at all imply that 

 they were not there, because when working at an object of this kind 



