BY ARTHUR M. LEA. 
235 
and narrower than 8th, 11th elongate-ovate, about one and a half 
times as long as 10th. Prothorax transverse; apex truncate, base 
rounded; anterior angles scarcely, posterior moderately strongly 
rounded; sides subparallel; margins narrowly reflexed; median line 
feebly traceable. Scutellum small, depressed in the middle, 
truncate at apex. Elytra about two and a half times as long as 
head and prothorax combined; parallel-sided almost to extreme 
apex, shoulders feebly rounded; without traces of costa;. Penul- 
timate segment of abdomen semicircularly excised. Legs slender, 
tibiae straight, penultimate joint of tarsi deeply cleft, in the 
anterior the lobes widely diverging. Length 4 J, width 1^ mm. 
Hah— Armidale, KS.W. (Mr. D. McDonald). 
Heteromastix mirabilis, n.sp. 
^. Oblong, shining, subdepressed. Black; head, prothorax and 
scutellum clear testaceous, antennae with the entire basal and the 
second joint beneath testaceous, palpi piceous; anterior legs 
testaceous, apex of tibiae infuscate, tarsi piceous; four posterior 
legs piceous, their coxae and trochantins obscure testaceous. Head 
glabrous, prothorax almost so; elytra moderately densely clothed 
with ashen suberect pubescence; undersurface and legs with 
shorter, denser and paler pubescence than on elytra. Head and 
prothorax highly polished and microscopically punctate; elytra 
very shallowly and obsoletely punctate, especially at base and 
apex; undersurface and the legs densely and minutely punctate. 
Head almost as long as the width across eyes, shallowly im- 
pressed between them; eyes rather small, prominent, and quite 
round; antennae short, thick, reaching intermediate coxae; the 
distance between them greater than that between them and the 
middle of the eyes, 1st joint as long or slightly longer than 2nd 
3rd combined, 2nd about two-thirds the length of 3rd, 3rd one 
and a half times longer than 4th, 4th-6th subequal, 6th slightly 
transverse, 7th-10th obliquely transverse, all of them different in 
shape, 10th large, rounded on its outer and hollowed on its inner 
apex, 11th large, flattened, base oblique, its outer edge rounded, 
and about half as long as the inner (which is constricted in the 
