390 
HORN EXPEDITION—HONEY ANTS. 
fire tliickly covered with greyish pubescence. Clypeus elevated in the centre, 
rather truncate in front and covered with stout cinero-testaceous hairs, which 
lightly clothe tlie whole of the head. Jaws stout, with row of six short, regular 
teeth along the upper edge, covered with golden yellow hairs. Thorax broad, 
niesonotum raised above the pi’onotum and lightly impressed in centre, with short, 
parallel line; scutellum rounded and swelling up at apex, metauotum short. Tlie 
legs moderate, the hind ones much the longest, covered with short, silvery hairs, 
with those on the tarsi golden. Wings large, testaceous, with nervures ferruginous 
and stigma dark brown. Abdomen, node seen from above heart-shaped; the rest 
large and rounded oval, with the apical margins of each segment edged with a 
narrow band of pale golden-yellow, and fringed with fine hairs of the same colour. 
Locality .—Ayers Rock, Illamurtfi in the James Range. A considerable 
number of specimens were obtained during the Expedition, but we are indebted 
to Mr. Cowle for a large series since received, which included the various forms. 
Camponotus midas, n. sp. Figs. 6, 7, 8, 9. 
2 Head, thorax, legs and antenme dark reddish-brown, lighter on the sides, 
abdominal segment black as the base, with narrow transverse band of deep oninge- 
yellow, followed by a broader, bright golden-yellow band, anal tip reddish-chestnut, 
only a few scattered hairs over clypeus and tip of abdomen; length, seven lines. 
Head broad, slightly round behind, tapering round to the mandibles, which are stout 
and curved, with six small, regular teeth ; the two upper ocelli very small, lower one 
much larger, situated in base of cleft running down the centre of head. The 
antennal foveie deep and elongate, the carina on either side forming a leaf-like 
projection, round at the tip. Eyes slightly oval toward the summit of the head, 
clypeus rugose, rather rounded and ridged in the centre. Antenme scape not as 
long as flagellum, twelve-jointed, the first three joints of the flagellum are the 
longest, with fine spines at apex of scape and the following joints, the apical one 
clothed with fine ochreous pubescence. Thorax, pronotum narrow, slightly trans¬ 
versely ridged towards apex ; mesonotum almost flat on summit, with impressed 
parallel line crossing it through the middle \ scutellum small, rather truncate in 
front and rounded behind ; metauotum short. Legs stout, the tarsi thickly spined, 
the tibial spur of fore legs large, inner edge of tibiie lightly spined, the spines at 
apex of tibite upon the other legs fine and slender. Wings large, stigma long and 
slender, with the radial and second and third submarginal cells thickly clouded 
with fuscus, the rest of fore wing slightly clouded, hind wings much lighter. Node 
broad, rounded, with slight projection on either side in front and an angulated 
edge along the apex. Abdomen broad, rounded, slightly rounded towards tip. 
