BY T G. SLOANE. 615 



posterior coxse laterally, and bottom of channel of lower sides 

 of femora iridescent. 



Head convex (3*5 mm. across eyes), transversely impressed 

 behind frontal spaces; frontal sulci lonf(, divergent backwards, 

 out-turned anterior part lightly impressed; lateral frontal spaces 

 lightly depressed near frontal sulci; clypeus with median part 

 declivous, truncate, intermediate angles narrow, prominent, a 

 punctiform fovea at base of each intermediate angle, the usual 

 clypeal setigerous puncture placed obliquely outward and back- 

 ward from this fovea; preocular prominences small, prominent, 

 divided from laferal frontal space Ity a sharply defined preocular 

 sulcus; eyes depressed, deeply set in orbits, these sloping gently 

 to sides of head, not thick or prominent. Labrum short. Pro- 

 thorax a little wider than head (3 5 x 3 7 mm.), convex, shortly 

 and rather strongly declivous to base, subparallel (hardly rounded) 

 on sides; basal curve short, rounded on each side, strongly 

 sinuate on each side of basal lobe ; apex truncate between 

 anterior angles; border narrow, reflexed, wider and prominent 

 at anterior angles (these obtuse). Elytra oval (6-8 x 38 mm.), 

 convex ; base truncate, lightly subemarginate at suture, deeply 

 declivous to peduncle; apex stronglj- declivous, rounded; suture 

 strongly impressed; border narrow, folded back and prominent 

 at humeral angles; four punctures on each side of base (three 

 near humeral angle on a depressed space, the fourth larger, 

 placed half-way between the suture and the three humeral punc- 

 tures); a row of rather closely placed punctures along lateral 

 margins. Intercoxal part of prosternum narrow posteriorly, 

 with a setigerous puncture on each side of base near middle. 

 Ventral segments 3-5 with a punctuie on eacli side of middle, 

 apical segment with upturned edge foveate on each side. 

 Anterior femora wide, compressed, lower side sinuate before 

 apex; intermediate tibiae stout, incrassate, with an apical spur 

 externally; posterior coxse and trochanters each with a setigerous 

 puncture. Length, 13-6; breadth, 38 mm. 



Hab. — Port Darwin (Dodd). Type in Coll. Sloane. 



This species belongs to the C. quadi'ipwuctaHim-gvouTp, its 

 affinity being towards C. digglesi Macl., which it resembles 



