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 carinse long, straight, subparallel. Mandibles moder- 
Fig. 43. Iridomyrmex samlandicus 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- 
tenne 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 l 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. 
