122 NATURE NOTES. 
been formed upon crystals of barytes, which have been 
subsequently dissolved and removed by some agent, leaving 
impressions on the under-surface of the quartz. 
J. B. MEARS. 
THE MICROSCOPICAL SECTION. 
In the spring of 1898 it was decided to appoint a Com- 
mittee of Members of the Society for the purpose of bringing 
together those members specially interested in microscopical 
work, and of stimulating an interest in microscopy in the 
Society. 
The first meeting of the Committee was held in the 
Freemasons’ Hall (small room), on 26th April 1898. There 
were present Dr Drummond (in the Chair), Dr Scott 
Lauder, Dr Sprague, Mr Crawford, Miss Turton, Miss 
Orrock, Mr Stenhouse, Mr A. Morton, Mr H. H. Brown. 
It was resolved— 
1. That regular meetings of the Committee should be 
held for microscopical work, apart from the ordi- 
nary meetings of the Society. 
2. That the meetings of the Committee should be open 
to all members of the Society. 
3. That meetings should be held (at dates arranged). 
4, That during the summer months special attention 
should be paid to the study of the Entomostraca. 
During the summer, demonstrations or papers dealing 
with the structure and life-history of different Entomostraca 
were contributed by Dr Drummond, Mr Crawford, Miss 
Newbigin, Mr Morton, and Dr Scott Lauder. 
The idea of taking up a special subject for study proved 
so successful during the summer, that it was decided to 
follow the same plan during the winter session. The 
subject chosen for study was the general structure of the 
cell. Accordingly a programme was drawn up, and during 
