30 COLEOPTERA 



its paraglossae very slender. Palpi slender, long, their last joint elonga- 

 ted, almost acute ; second joint of the maxillary dilated and depressed. 

 Mandibles slender, elongated, and very sharp. Labrum transversal, 

 entire. Eyes rather large and prominent. Antenna hardly more than 

 half the length of the body, filiform, joints 2 4 of variable length. 

 Head oval. Prothorax more or less transversal, slightly narrowed 

 behind. Elytra almost elongate-oval, and rather convex. Legs moder- 

 ate, a little robust ; the three first joints of the anterior tarsi rather 

 strongly dilated among the males, triangular, the first longer than the 

 next two, these latter a little wider than long. 



63. D. antarctica, Castelnau; Trans. Roy. Soc. Viet., p. 199. 

 (1867.) Brilliant black, thorax cordiform, rather transverse; the longi- 

 tudinal sulcus and the posterior impressions rather deep; elytra oblong, 

 decreasing in breadth from near the base to near the apex, very feebly 

 striated ; a few impressions on the margins ; legs and parts of the mouth 

 dark brown ; antennae red. 



Length, 4 lines. 

 Wellington. 



NOTE. In the Ann. Mag. Nat. Hist, for March, 1874, Mr. H. W. 

 Bates states : M. de Chaudoir suspects this to be an Abacetus. I have 

 seen at present no species of either genus from New Zealand. 



Group FERONID^S. 



Ligula nearly always free at its extremity. Mentum normally emar- 

 ginated. Anterior tibia more or less robust and dilated towards the 

 apex. The three first joints of the anterior tarsi strongly dilated among 

 the males, triangular or cordiform, the second and third broader than 

 long ; all squamulose underneath. Claws of the tarsi simple. 



Prosopogmus. 



Chaudoir; Bull. Mosc., 1865. 



Distinguishing characters : Lateral lobes of the nientum very diver- 

 gent, and the last joint of the posterior tarsi of the males elongate- 

 quadrate. I am indebted to Wm. Macleay, Esq., of Sydney, for the 

 above information. 



64. P. impressifrons, Chaud.; Bull. Mosc., 1865, ii., 93. 

 Resembles Feronia australasice. ( Trichosternus guerinii), but is much 

 flatter, and the colour is a distinct, very shining, coppery-bronze. Head 

 small, vertex from behind the eyes to the sides obsoletely constricted, 

 very smooth, frontal grooves deep, rather broad, straight in front, behind 

 bent and diverging, convex on the middle of the forehead near the eyes ; 

 eyes prominent. Thorax almost twice as broad as the head, distinctly 

 shorter than broad, transversely quadrate ; at the apex but little, but at 

 the middle of the base more evidently, emarginate ; sides anteriorly 



