THE SOLDIERLESS TERMITES OF AFRICA 



225 



valve seating connected to second pouch of proctodeum by a very distinct neck of moderate 

 length ; internal cushions of enteric valve all produced through valve opening as flattened vanes, 

 their surfaces reticulated or scaly, posterior margin of each scale fringed with minute spicules 

 and one or twosmall spines ; membranous wallof valve between and beyond cushions carunculated, 

 each lobe fringed posteriorly with very numerous minute spicules. Other characters of man- 

 dibles and intestine given in generic diagnosis. 



617 



618 



Figs 611-618. Aderitotermes, imago head capsules, front and side views, and imago 

 mandibles. 611-614, A. cavator; 615-618, A.fossor. 



