MAY, 1893. 
Contribution to the biology of theorganism causing 
leguminous tubercles. 
GEO. F. ATKINSON, 
WITH PLATES XII—Xv. 
of very widely in agricultural papers and is 
way better known than the other aspects of the 
MDionts. It is beyond the scope of the 
f th - .  Sconomic and chemico-physiolog- 
me subject. The discussion will be confined 
t Boer of the organism, since this part of 
Sly he structure and develop- 
€ Is better understood and will be referred 
Sary in dealing with the 
