532 



PKOCEEDINGS OF THE SOCIETY. 



MEETING 



Held on the 20th of June, 1900, at 20 Hanover Square, W. 

 The President (W. Carruthers, Esq., F.R.S.) in the Chair. 



The Minutes of the Meeting of May 16th, 1900, were read and 

 confirmed, and were signed by the Chairman. 



The List of Donations to the Society (exclusive of exchanges and 

 reprints) received since the last meeting was read, and the thanks of the 

 Society were voted to the Donors. 



From 

 Dr. Ferd Hueppe, Principles of Bacteriology. (8vo, j Tft Publiaher8m 



London, 1899) J 



Dr. Edmund B. Wilson, The Cell in Development and) ,™ ■p,,i 1 u e - he „ 



Inheritance. 2nd edition. (8vo, New York, 1900) J J- ne mourners. 



O. Noordgard, Report of the Norwegian North Atlantic I T] mtorial Committee 



Expedition 1876-8 Vol. xxvn. Zoology, Polyzoa. f ft E duion _ 



(4to, Chnstiania, 1900) I J * 



A Solar Microscope Mr. A. Oxbrow. 



Mr. G. J. Rogers, of Maidstone, exhibited a modification of the 

 Eousselet compressor, the chief feature of which consisted in the em- 

 ployment of two indiarubber bands in suitable grooves to keep the glass 

 in position, instead of having it cemented. It was claimed that this saved 

 trouble and time in the event of the glass being broken. 



Mr. C. Lees Curties (C. Baker) exhibited an achromatic condenser 

 which was a modification of the Zeiss model, the aperture being N.A. 1 ■ 

 and aplanatic cone 90, lenses 7/8 in. diameter, working distance 4/10 in. ; 

 when the front lens is removed this condenser is suitable for use with 

 low-power objectives, the working distance then being 8/10 in. The 

 mount is supplied with iris diaphragm and carrier for stops (see 

 p. 512, fig. 129). 



The thanks of the Society were voted to Mr. Rogers and Mr. Curties 

 for these exhibits. 



A short descriptive paper by Mr. E. B. Stringer, " On a new Projec- 

 tion Eye-piece, and an improved Polarizing Eye-piece" — sent to the 

 meeting for exhibition — was taken as read. 



Miss A. Lorrain Smith's paper " On some New Microscopic Fungi " 

 was also taken as read, the President giving a short resume of its con- 



