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 sul^parallel; margins narrowly reflexed; median line 

 feebl}^ traceal)le. 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 cost?e. Penul- 

 tima,te segment of abdomen semicircularly excised. Legs slender, 

 tibise straight, penultimate joint of tarsi deeply cleft, in the 

 anterior the lobes widel}- diverging. Length 4|^, width IJmm. 

 ^a6.— Armidale, N.S.W. (Mr. D. McDonald). 



Heteromastix mirabilis, n.sp. 



J". 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 cox^e 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, shallowlj^ im- 

 pressed between them; eyes rather small, prominent, and quite 

 round; antenna? 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 



