388 
HORN EXPEDITION—HONEY ANTS. 
clypeus raised in centre, mandibles stout at base, hollowed in centre, swelling out 
at tip, terminating in a large tooth and four small teeth along inner edge ; 
prothorax almost as wide as head at apical edge, with a slight ridge down the 
centre, mesothorax forming a boss in the centre, inetathorax tapering towards the 
apex. Legs medium, slender, with stout spines at apex of tibia', and the 
tarsi thickly spined. Wings fuscus, nervures dark brown, subcostal cell and 
stigma small. Abdomen node small, rounded on sides, and produced in small 
angular points on the lower margin, the first segment broad at base, tapering 
towards tlie apex, lightly covered with reddish-brown hairs thickest upon the under 
side ; the genitalia very distinct; the side lobes covered with stout cinereous hairs 
at the tip and inner edge. 
? Dark reddish-brown, wings fuscus, length seven lines. Head large, 
quadrate, ocelli very small; eyes small, l)lack oval, antennae long, scape nearly as 
long as the flagellum, fovea in centre below the antenme, clypeus thickly fringed 
with long stout ferruginous hairs covering the jaws ; mandibles stout, forming a 
sharp curved tooth at the tip, with a row of four angular teeth below ; thorax 
broail, rounded in front, scutellum large, arcuate in front and slightly angular on 
the sides ; legs stout and thick, tibiie and tarsi very thickly covered with s])iny 
ferruginous hairs ; wings large, fuscus, nervures brown. Abdomen lai’ge, elongate, 
oval, smooth and shining, the whole of the upper surface finely coriaceous, but 
more in the pattern of fine striie than in that of C. inflatus. 
^ Honey-worker dark reddish-brown, except the segmental membrane of the 
abdomen, which is pale yellow, head quadrate, ocelli in depression on summit of 
head above the eyes; eyes small, black, slightly oval, antenme twelve-jointed, 
scape not quite as long as flagellum, a few short spines at the apex of the segment, 
but not bifurcated at the tip as in C. inflatus., covered with a fine silvery pubes, 
cence towards tlie apical joints, clypeus depressed in centre, thickly fringed with 
stout reddish hairs along the apical edge ; mandibles large, hollowed out in centre, 
broadest toward the tip, which forms a stout curved fang with a row of four 
angular teeth below, the intermediate ones the smallest; thora.x rounded in front, 
arched, and broadest at apex of prothorax, meso- and metathorax narrow, truncate 
at ajiex; legs long, slender, the tibiie spined along either side, spines at apex of 
tibiie, long and slender mid and hind legs, tarsi very spiny. Scale rounded, ridged 
in front and produced into an angular tip on the apical margin ; abdominal 
segments swollen out so that the chitinous plates of the segments are widely 
separated from each other, but the abdomen is much more corrugated and 
constricted about the middle than in C. inflatus. 
