584 NEW SPECIES OF AUSTRALIAN COLEOPTERA, 



Head strongly and regularly but not very densely gunctate; a 

 comparatively shallow ti-ansverse depression on each side in front. 

 Antennte stout, increasing to apex, 11th joint ovate, much larger 

 and lonsrer than 10th. Protliorax about twice as wide as long, 

 apex feebly incurved, base truncate, considerably narrower than 

 apex; margins narrow, reflexed, oblique towards base but inter- 

 rupted by a slight projection; punctures as on head but .sparser. 

 ScuteJlum strongly transverse, with about four punctures. Elytra 

 considerably wider than prothorax at base, slightly increasing to 

 beyond middle; seriate-punctate, punctures moderately large, sub- 

 quadrate, regular and not at all confluent; interstices flat, 

 impunctate ; epipleurse densely and coai'sely punctate. Abdomen 

 with sparse minute punctures, the apical segment moderately 

 punctate. Length 4, width 1^ mm. 



Hah . — Sy d ney . 



A shining, moderately elongate and regularly punctate species, 

 the very minute size of which is alone suflicient to prevent its 

 being confounded with any of its congeners ; inconspictmm, 

 Blackburn, the smallest species hitherto described, looks a giant 

 beside it. 



Adelium capitatum, n.sp. 



Black, shining. Legs and abdomen with sjDarse brownish 

 pubescence, elytra with a few brownish hairs. 



ZT^rtf/ densely, coarsely and almost regularly punctate, punctures 

 in front and on vertex equal; frontal impression deep and sinuous, 

 .-\ntenme stout, 3rd joint the length of 4th-5th combined, 11th 

 almost twice the length of 10th. Prothorax about one-third 

 wider than long, sides reflexed, widest slightly beyond middle, 

 feebly incurved towards apex and strongly towards base; apex 

 rather strongly emarginate, base almost truncate; densely, coarsely ' 

 and very irregularly punctate. Scutellum triangular, rather 

 strongly punctate. Elytra subparallel to near apex, wider than 

 prothorax, shoulders rounded : striate-foveate, fovese irregular, 

 usually separated by a transverse ridge; interstices irregular, not 

 or scarcely the width of fovese, the alternate ones moderately 



