PLATE 6 
A. —Block of ash wood used by Dudley and Beaumont in studying Kalotermes in 
Panama; the best type of termitarium for studying Kalotermes. 
B. —Copiotermes niger. Damage to lead sheathing of underground cable and per¬ 
forations in tarred parcelling. Gold Hill, C. Z., Panama, October 29, 1916. 
