92 



William Morton Wheeler. 



flattened cheeks, broadly rounded, but distinct posterior corners and 

 concave posterior border. Eyes large but flattened, a little in front 

 of the middle of the sides of the head. Frontal area and groove in- 

 distinct; frontal carinsB long, straight, subparallel. Mandibles moder- 



Fig. 43. Iridomyrmex saynlandicus sp. nov. Worker, from above. 



ately large, with sinuately concave external borders, their apical 

 borders with about 8 denticles and with a few more indistinct teeth 

 on the basal border. Clypeus flat, slightly convex in the middle be- 

 hind, with broadly and sinuately excised anterior border. Maxillary 

 palpi 6 -jointed, extending back to the middle of the gula; labial 



palpi 4- jointed. An- 

 tennae rather stout; 

 scapes curved at the 

 base, their tips scarcely 

 extending beyond the, 

 posterior border of the 

 head; joints 1 — 4 of the 

 funiculus twice, remain- 

 ing joints, except the 

 last,, only about 1^/2 ti- 

 mes as long as broad. 

 Thorax long, narrower 

 than the head, broadest 

 through the pronotum 

 which is flattened 

 above and on the sides, 

 without humeral angles, 

 broader than long. Mesonotum distinctly convex, nearly circular, rising 

 slightly above the pronotum in profile. Mesoepinotal constriction distinct 

 but not ridged longitudinally. Epinotum in profile with subequal base and 

 declivity, each rather flat, meeting at a blunt obtuse angle, with prominent 



Fig. 44. Iridomyrmex samlandicus sp. nov. 

 a) Worker; b) head of same from above. 



