136 AUSTRALIAN PSELAPHID.K. 



Mesoplatus nitidus, n.sp. 



Elongatus, leviter convexus, lsete ferrugineus, elytris disco 

 pallidioribus, totus nitidus, antennis pedibusque runs, palpis 

 tarsisque testaceis, pube brevi, grisea. Caput postice sat con- 

 vexum, lasve, antice punctatum et transversim depressum, cum 

 foveis quatuor minutis juxta oculos, postice foveis duabus majori- 

 bus sed parum profundis, medio juxta collum, sulco longitudinali 

 valido. Antenna? crassae, articulis 1° parum elongato, 2 sub- 

 globoso, 3-8 monilibus, clava parum conspicua, 9-10 transversis, 

 parum crescentibus, 11 magno, ovato, acuminato. Prothorax 

 elongato-ovatus, sat convexus, disperse et irregulariter punctatus, 

 sulco longitudinali valido, integro, trans verso profundo et valde 

 sinuato, foveis lateralibus magnis et profundis. Elytra pro- 

 thorace latiora et paulo longiora, latitudine sua longiora, humeris 

 subnodosa, disco leviter convexa, basi quadrifoveata, sulco dorsali 

 obsoleto et brevi. Abdomen elytris paulo longius, segmento 1° 

 sequenti vix longiori, basi obsolete transversim impresso. 



£. Metasternum impressum, segmentis ventralibus 3 medio 

 tuberculo valido, compresso, 4 depresso, 6 longitudinaliter im- 

 presso, trochanteribus intermediis leviter nodosis. Long. 1 -70 mm. 



Victoria. 



This species will be distinguished at once by the sculpture of 

 the head. 



Tribe BATEISINI. 



Genus Batrisus. 



Aube, Mag. Zool. 1833, p. 45; Raffray, Rev. d'Ent. 1894, 

 p. 230. 



The old genus Batrisus, Aube, which for a long time has 

 included many heterogeneous forms, has been, of late, divided into 

 some very distinct genera, the most important of which are the 

 American Arthmius, Lee, and the Indo-Malayan Batrisodes, Reitt. 

 The characters of the true Batrisus are as follows : — Head very 

 irregular, but neither square nor transverse, and with the 

 posterior sides behind the eyes more or less oblique; eyes situated 



