REPORT 
OF THE 
FIFTY-THIRD MEETING 
OF THE 
BRITISH ASSOCIATION 
FOR THE 
~ ADVANCEMENT OF SCIENCE; 
HELD AT 
SOUTHPORT IN SEPTEMBER 1883, 
LONDON: 
JOHN MURRAY, ALBEMARLE STREET. 
1884, 
Office of the Association: 22 ALBEMARLE SrreET, Lonpoy, W. 
