Gates: Swamp Vegetation in Hot Springs Areas.] 
[Phil. Journ. Sci., IX, C, No. 6. 
Diagram showing the successions between the plant associations in the Los Banos hot springs 
swamp area, Laguna Province, Philippine Islands, 1914. Capital letters denote the important 
associations in this area, — — — — primary, 1 1 1 1 1 1 1 1 1 1 1 1 1 secondary, and suc- 
cessions which ordinarily take place, but are not present in this area. (In place of Bottom algae 
assoc, read Bottom thermal assoc.; and for Surface algae assoc, read Surface thermal assoc.) 
PLATE XI. 
