U NOV 2 ^ 1J917 
FOURTH SERIES, Vol. III. 1910—1912. V yfr 
PROCEEDINGS 
OF THE 
BRISTOL 
NATURALISTS' SOCIETY. 
EDITED BY THE HONORARY SECRETARY. 
" Rerum cognoscere causas." — Virgil. 
BRISTOL : 
PRINTED FOR THE SOCIETY 
MCMXIV. 
