MARINE BIOLOGICAL LABORATORIES, 251 
THE SCOPE OF AMATEUR PHOTOGRAPHY. 
SYLLABUS OF PAPER BY W. GAGE TWEEDY, B.A. 
(Read 29th October, 1885.) 
How restricted a dozen years ago. How extensive now. The 
cause of its extension, The gelatine dry-plate: its preparation 
and manipulation. The negative and its uses. Photographic 
and mechanical printing. What an amateur may do with the 
camera as an aid to study: its application to architecture, arche- 
ology, and other “ologies,” art-studies, landscape and the figure, 
portraiture and perspective. The optical lantern and the micro- 
~scope. What an amateur had better not attempt. What photo- 
graphy owes to amateurs. Their inventions and discoveries. What 
remains to be done. 
MARINE BIOLOGICAL LABORATORIES, 
SYLLABUS OF LECTURE BY J. BROOKING ROWE, F.S.A., F.LS, 
(Read 5th November, 1885.) 
Intropuction. Dr. Dohrn and his efforts. The Naples station: 
its objects and work. Other European stations. The United States 
Fish and Fishery Commission. American Zoological stations. 
Scotch laboratories. What it is intended to do at Plymouth. 
