PROCEEDINGS OF THE SOCIETY. 
597 
knowledge, which has attended and adorned the successive years of your 
Majesty’s reign. 
We fervently trust and pray that the same conditions may long 
endure, and that long-continued health and strength may he granted to 
your Majesty. 
Signed on behalf of the Fellows of the Eoyal Microscopical Society, 
Edward Milles Nelson. 
20 Hanover Square, London, W.” 
“ Whitehall, 
20th September, 1897. 
I have had the honour to lay before The Queen the loyal and dutiful 
Address of the Fellows of the Eoyal Microscopical Society of London on 
the occasion of Her Majesty attaining the sixtieth year of her reign, 
and I have to inform you that Her Majesty was pleased to receive the 
same most graciously. 
I have the honour to be, 
Your obedient Servant, 
(Signed) M. W. Eidley. 
The Secretary of the Eoyal Microscopical 
Society of London. 
20 Hanover Square, W.” 
Mr. A. W. Bennett said that a valuable paper had been contributed 
to the Society by Mr. William West and Mr. George S. West, who were 
known to he such diligent and careful workers that anything from them 
was sure to be of the highest interest. The paper itself was not, however, 
one which could be read in detail to the meeting, but it would be a most 
valuable addition to the literature of the subject, being a list of the Fresh- 
water Algae of the South of England below a line drawn across the 
country from Essex to Cornwall, containing a description of many new 
species and two new genera, and illustrated by two very beautifully 
drawn plates. He had asked permission to add to this some notes of his 
own on the freshwater Algae found in the neighbourhood of London, 
including some rare species met with in the Gardens at Kew. Even in 
such unpromising localities as the Eegent’s Canal he had found some 
interesting freshwater Algae. 
The thanks of the meeting were unanimously voted to Mr. Bennett 
for his communication. 
Mr. T. Comber read a paper c On the Limits of Species in the 
Diatomaceee.’ 
Mr. George Murray, being called upon by the President for some 
remarks upon the subject, said it had been a great pleasure to listen to 
Mr. Comber as one who had such a practical acquaintance with the sub- 
ject and was also a man of such wide reading. He had hoped, therefore, 
to get some very welcome ideas upon the matter, for he confessed that he 
came to the meeting with a great deal of confusion in his mind, and he 
was afraid he was going away still more confused, for it was with dia- 
