426 PROCEEDINGS OF SECTION D. 
Drrropipus STRIATO-PUNCTATUS, Ni.Sp. 
Briefly ovate ;' black; legs piceous-black, hase of antenne 
obscure testaceous. 
Head with rather small punctures; median line distinctly 
impressed. | Prothorax densely (especially at sides) and 
finely aciculate-strigose ; basal lobe entire. Elytra striate- 
punctate, punctures much larger than is usual, median strie 
feeble, the lateral deeply impressed; interstices scarcely 
visibly rugulose. Length 24mm. 
Hab.—W.A.: Darling Ranges. 
DiITROPIDUS MELASOMUS, n.sp. 
Oblong-ovate; black; mouth-parts, antenne, anterior 
tibiz, and all the tarsi testaceous. 
Head moderately densely punctate; median line dis- 
tinctly impressed. Prothorax distinctly but not very 
densely or coarsely punctate. LElytra  seriate-punctate, 
punctures very distinct, sides tristriate; interstices impunc- 
tate. Length 3mm. 
Hab.—N.8.W.: Forest Reefs. 
Appears to be close to gagatinus, but that species is de- 
seribed as having the first joint of the antennez blackish. 
DITROPIDUS SOBRINUS, N.sp. 
Oblong-ovate; black; antenne (except at apex), mouth- 
parts, anterior legs, and tarsi obscure testaceous. 
Head coarsely punctate; median line strongly impressed. - 
Prothorax scarcely visibly punctate; median lobe obtuse. 
Elytra bistriate at sides, towards suture (except near apex) 
scarcely visibly seriate-punctate; interstices very faintly 
rugulose. Length 23mm. 
Hab.—-Swan River. 
D1TRoPiIpus CHALCEUS, N.sp. 
Briefly oblong-ovate. Head and prothorax coppery, 
elytra bronzy, under-surface black, mouth-parts, antenne, 
and legs red. 
Head densely punctate; median line feebly impressed. 
Prothorax with dense clearly-cut punctures, at sides becom- 
ing somewhat confluent, but not strigose; basal lobe feebly 
notched. Elytra seriate-punctate, punctures rather small, 
but distinct, sides bi-(towards apex tri-) Ses interstices 
iinpunctate. Length 34mm. 
Hab.—-Swan River. 
In general appearance somewhat like nitiduloides, but 
with differently coloured legs. 
