104 THE INSECTS OF GAYNDAH, 



101. — AcuPALPus Mastersii. n. sp. 



Length 2 lines. 

 Black, nitid, rather convex. Head with a short curved im- 

 pressed line on each side from the eye to the transverse line of 

 the clypeus. Thorax broader than the length, and rounded on 

 the sides and at the posterior angles. The basal impressions are 

 scarcely traceable, and the median line is but lightly marked. 

 The elytra are strongly striated and have the interstices slightly 

 convex. The legs, antennae, and palpi are of a reddish yellow. 



102.- — AcUPALPUS ANGULATUS. U. sp. 



Length 2 lines. 

 Black, nitid, and moderately convex. Head as in the last 

 species. Thorax narrower, longer than the breadth, rounded at 

 the sides anteriorly, and slightly narrowed behind, with the 

 posterior angles almost square and broadly margined, and the 

 median line and basal impressions well marked. Elytra con- 

 siderably broader than the thorax, with the strige not quite so 

 deep, and the interstices rather more flat than in the last species. 

 The legs and antennae are of a pale red. 



Ctclothorax. n. gen. 



Mentum deeply emarginate with a large median tooth. La- 

 bium rather long, obtuse at the apex. Palpi short, somewhat 

 filiform, the tip of the maxillary rather obtuse. Labrum square, 

 entire. Mandibles short, strong, and slightly arcuated with a 

 small tooth in the centre of the right mandible. Antennae of 

 moderate length ; 1st joint long and thicker than the others ; 

 2nd small ; 3rd and 6th longer than the others ; the remainder 

 equal. Thorax convex, transversal and rounded at the sides and 

 base. Elytra broader than the thorax, slightly convex, and short. 

 Legs moderately strong, the anterior tarsi slightly dilated in the 

 male, the intermediate still less so ; the two first joints of all the 

 tarsi longest. 



