OF NEW ZEALAND. 1009 



Manawatu River, Palmerston. One example from Mr. G. V. 

 Hudson. 



1808. B. dehiscens, n.s. Subdepressed, broad, shining, aBneo- 

 niger ; legs and antennae fuscous, basal joint of the latter, the palpi, 

 and tarsi paler ; mandibulse rufescent. 



Head with large uneven frontal impressions, ocular punctures 

 large and deep. Eyes large and prominent. Antenna slender and 

 elongate, reaching backwards beyond the middle thighs. Thorax 

 small in proportion to the ample elytra, narrow, convex, cordiform, 

 rather gradually but considerably narrowed towards the base, lateral 

 margins narrow, posterior angles obtusely rectangular, not at all 

 prominent ; median furrow rather fine, not distinct at base or apex, 

 basal region depressed; there is a very slight curvate frontal im- 

 pression, and a few feeble transverse striae ; the basal foveae are 

 small and situated close to the angles. Elytra large and rather flat, 

 apices rather narrow and so sharply rounded as to cause an elongate 

 sutural gap, they are widest. near the hind thighs and quite oblong ; 

 evidently punctate-striate, the striae sometimes obsolete at the base, 

 the sutural only extend to the extremity, and recurve there, the 

 others are effaced behind the posterior femora ; interstices flat, 

 rather broad, the third with three, the fifth with two punctures, 

 these have conspicuous brassy setae ; the oblique apical sulci are 

 well marked. Legs long and slender, the four hind tibiae slightly 

 bent ; front tarsus with a moderately-long basal joint, which, as well 

 as the second, is moderately prolonged at the inner angle. Palpi 

 with a long, hairy penultimate joint. 



This is an easily recognised species. The relative proportions of 

 the head, thorax, and elytra resemble those of Actenonyx. 



$ . Length, 3} ; breadth, 1 J lines. 



Pakuratahi Stream, Rimutaki Range. Discovered by Mr. G. V. 

 Hudson, of Wellington. 



1809. B. antipodUHl, n.s. Piceo-niger, faintly tinged with 

 violaceous, legs ana basal joint of antennae fusco-rufous, joints 4-11 

 opaque and infuscate ; it is but little shining, moderately convex, 

 and finely shagreened. 



Head moderately broad, rather smooth, frontal impressions well 

 marked and slightly rugose. Thorax cordiform, strongly rounded 

 from the anterior angles to beyond the middle, behind this very 

 much narrowed, quite straight near the rectangular, but not pro- 

 jecting, basal angles, the side rims distinct and rather regular ; 

 basal fossaa small, situated close to the angles, basal region not de- 

 pressed, there are a few obsolete transversal discoidal striae, the 

 dorsal furrow is shallow and abbreviated, and there is a feeble im- 

 pression in point. Elytra subovate, not flat, shoulders rounded, 

 obliquely narrowed behind ; they are punctate-striate, the striae are 

 narrow, the punctures are of moderate size, the intervals between 

 them as large as the punctures themselves, the scutellar striae well 

 marked, the two sutural deep behind, the other striae just reach the 



