172 PROCEEDINGS OF SOCIETIES. 
Dr. Dicxin, Aberdeen University. 
eis Dr. Frpprs, King Street. 
~“  *  * ) Dr. DatBy, H.M.S. Winchester. 
Rev. Wu. Barrack, Grammar School. 
After the routine business was transacted the rest of the even- 
ing was devoted to a display of microscopes and microscopical 
apparatus. Several members had put themselves to a very con- 
siderable trouble to bring together as useful and interesting a 
number of objects for exhibition as possible. The following papers 
have been read before the Society during the past year: 
9th Feb., 1864. Dr. Dickie, “On Two Fossil Earths from 
Jreland.” 
Mr. H. A. Smith, “ On the Principle involved 
in the Construction of the Binocular Mi- 
croscope.”’ 
8th March, 1864. Mr. H. A. Smith (assisted by Mr. G. W. 
Wilson), “ On Microphotography.” 
12th April, 1864. Mr. G. Wilson, “ On the Stereoscopic Effects 
of the Binocular Microscope.” 
Mr. H. A. Smith, “ Notice of the Kellner 
Eye-piece.” 
Mr. A. Clark exhibited a Collection of the 
Zoophytes of Aberdeenshire. 
10th May, 1864. Dr. Ogilvie, “ On the Structure of Shell.” 
14th June, 1864. Dr. Dickie, “ Hints on the Making of Cells.” 
Be “On Two Fossil Earths from 
Treland.” 
Mr A. Stephen Wilson, ‘On the Meaning 
of the Phrase Stereoscopic effect, as applied 
to the Binocular Microscope.” 
llth Oct., 1864. Mr. A. Clark, “A Descriptive List of the 
Diatoms found by him and Mr. R. Leys 
in the Peterhead Deposit.” 
8th Nov. 1864. Dr. Dickie,1. ‘On the Detection of Certain 
Poisons by means of the Microscope.”’ 
» 2. “The Microscopic Structure of 
Meteorites.”’ 
3. “A New Binocular Microscope.” 
» 4. “The Structure of Photographs, 
as seen under the Microscope.” 
13th Dec., 1864. Mr. Wm. Scott Aitken, “On Microscopical 
Drawing and Measurement,” and “ Hints 
on Mounting.” 
9) 
When the subject admitted or required it, all these papers were 
abundantly illustrated by means of preparations under the micro- 
scope or by drawings. 
