ii 4 



W. A. SANDS 



Worker. Head capsule pale yellow, pilosity fairly numerous, rather short, yellow. Post- 

 clypeus weakly inflated, Pcl/W, 0-24, Pcl/Ri, 173. Apical teeth of mandibles short, L A /Lj, 

 0-58, Ra/Ri, 075; subsidiary marginal tooth of left mandibles separated from molar prominence 

 by wide deep notch in surface view, complex ratio La/Li. L m , 9-10; first marginal tooth of right 

 mandible distinctly behind line of apical to first marginal, anterior edge of first marginal shorter 



%- 



269 



273 



268 



Figs 256-273. Astratotermes, worker mandibles, mesenteric-proctodeal junctions showing 

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

 enteric valve seatings. 256-261, A. aneristus; 262-267, A., apocnetus (mandibles rather 

 worn); 268-273, A. hilarus. 



