PLATE i 



Enteric valve armature. Some valves are mounted whole, others slit and opened out. Small 

 'p' in lower right corner indicates use of phase contrast illumination. 



Figs i, Acidnotermes praus; 2, Amalotermes phaeocephalus; 3, Astalotermes benignus; 4, 

 Astaloterm.es amicus; 5, Astalotermes ignavus; 6, Astalotermes acholus; 7, Astalotermes brevior; 

 8, Astalotermes quietus; 9, Astalotermes empodius; io, Astalotermes irrixosus; 11, Adynatotermes 

 moretelae. 



