FOURTH SERIES, VOL. III., Part II. (Nov., 1912, issued for 1911). 
Price 1/6. 
PROCEEDINGS 
OF THE 
BRISTOL 
NATURALISTS' SOCIETY. 
11 Iter urn cognoscere causas." — VlRGlL. 
BRISTOL : 
PRINTED FOR THE SOCIETY. 
MCMXIL 
