914 THE INSECTS OF THE VICINITY OF KING’s SOUND, 
157. Heteronyx piceoniger, n.sp. 
Oblong-ovate, sub-depressed, piceous, nitid, coarsely punctate, 
and clothed thinly with soft erect cinereous hairs. Head very 
transverse, the clypeus extending laterally beyond the eyes, the 
angles rounded, the apex broadly rounded, and a little reflexed, 
and the clypeal suture lightly marked and nearly straight. Labrum 
not showing in front of the clypeus. Antennae 9-jointed, the last 
joint of the maxillary palpi truncate. Thorax transverse, wider 
than the bead, more thinly and less coarsely punctate than the 
head and elytra, the anterior angles acute, the sides naiTowly 
margined and widening a little to the base, the posterior angles 
rather acute and the base lightly bisinuate. Elytra not wider 
than the' thorax, and nearly four times the length, paralleUsided 
and rounded at the apex, nearly covering the pygidium, and 
irregularly and densely rugosely punctate, The under surface is 
piceous-brown, nitid and less coarsely punctate than the upper 
surface, the legs are piceous-red and strong, the anterior tibise 
tridentate, the two first teeth very large, the third small, the 
thighs are much compressed and the posterior tibiie spinous and 
setose. The claws strongly toothed below. 
Long. 6|, lat. 3 lines. 
This species approaches most nearly to II. rugosipennis, mihi. 
158. Heteronyx corpulentus, n..sp. 
Of the colour and sculpture of the preceding species but of 
shorter and stouter form, more convex, more sparsely punctate, 
and thinly covered with long erect reddish hairs. Head densely 
punctate, the clypeus broadly rounded as in II. piceoniger, but not 
produced so much laterally beyond the eyes, and more arcuate on 
the suture, the punctures on the thorax more distant, and those on 
the elytra considerably sparser. The under surface and legs dark 
piceous, sparingly punctate, the pygidium uncovered, of rounded 
triangular form and nearly smooth. 
Long. 5L lat. 3 lines. 
An apparent variety of this species is piceou.s-red on the elytra. 
