182 



W. A. SANDS 



fWl 



Figs 462-481. Ateuchotermes, worker mandibles, mesenteric-proctodeal junctions showing 

 attachments of malpighian tubules and positions of malpighian knot, and views of 

 enteric valve seatings. 462-467, A. retifaciens; 468-473, A. sentosus; 474-479, 

 A . spinulatus ; 480, 48 1 , A . tranquillus (mandibles somewhat worn) . 



