202 W. A. SANDS 



Measurements (two specimens from one nest series) in millimetres. 



Head width across eyes (W) . 0-87-0-94 

 Ocellus (O w x Oi) . . . 007-008 x 0-09-0-10 



Ocellus to eye (O-E) . . 003-0-05 



Postclypeus length (Pel) . . 0-23-0-24 



Antennal article III . . . 0-04-0-05 



Antennal article IV . . . 004-005 



Antennal article V . . . 0-04-0-05 

 Left mandible, apical to first 



marginal (La) • • • 008 

 Left mandible, first to third 



marginal (Li) . . . 015-016 

 Left mandible, third marginal to 



molar (L m ) .... 007 

 Right mandible, apical to first 



marginal (Ra) • • • 009 

 Right mandible, first to second 



marginal (Rj) . . . 0-13 

 Right mandible, second marginal 



to molar (R m ) • • ■ 006-007 



Mesonotum width (M) . . o- 19-0-21 



Metanotum width (N) . . 0-18-0-21 



Worker. Head capsule pale yellow, pilosity yellow, setae fairly numerous though not dense. 

 Postclypeus moderately inflated, Pcl/W, 0-28, Pcl/Ri, 179. Apical teeth of mandibles short, 

 La/Li, 0-46, Ra/Ri, 058; subsidiary marginal tooth of left mandible just clear of molar pro- 

 minence in surface view, complex ratio, La/Li. L m , 9-15; point of first marginal tooth of right 

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

 about half as long as that of second, RA/Ri-Rm, 13*52. Fore tibia weakly swollen, Ti/T w , 

 4-12, third apical spur about half length of other two. Mesenteric overlap with proctodeum 

 about four times as long as width of mesenteron at insertion of malpighian tubules; enteric 

 valve seating with three very weakly developed lobes connected to second pouch of proctodeum 

 by a distinct neck, lateral in unopened abdomen; internal cushions of enteric valve all retracted, 

 about equally developed, with scaly surface; membranous wall of valve between and beyond 

 cushions with sparse minute spicules. 



Measurements (one specimen) in millimetres. 



Head width (W) 074 



Fore tibia width (T w ) . . . . 0-13 



Fore tibia length (Ti) .... 0-53 



Postclypeus length (Pel) . . . 0-21 



Left mandible, apical to first marginal (La) 0-06 



Left mandible, first to third marginal (I-i) . 014 

 Left mandible, third marginal to molar 



(L m ) 005 



Right mandible, apical to first marginal 



(Ra) 0-07 



Right mandible, first to second marginal 



(Ri) 012 



Right mandible, second marginal to molar 



(Rm) 004 



As already stated under A. amachetus, the imago caste of A. cicur is one of three 

 species in which the back of the head behind the eyes is not evenly rounded. The 



