PLATE 2 



Enteric valve armature. Some valves are mounted whole and viewed from side or end on, 

 others slit and opened out. Small 'p' in lower right corner indicates use of phase contrast 

 illumination. 



Figs i, Astvatotermes aneristus; 2, Astvatotermes hilarus; 3, Astratotermes pacatus; 4, Astrato- 

 termes mansuetus; 5, Astratotermes prosenus; 6 & 7, Alyscotermes trestus; 8-1 1, Aly scoter mes 

 kilimandjaricus; 12, Aganotermes oryctes. 



