Coleoptera.] SUBANTARCTIC ISLANDS OF NEW ZEALAND. 99 



beyond the eyes, and are then bent inwards ; they are 8-articulate ; the basal joint 

 cylindric and as long as the succeeding 4 combined ; 2nd suboviform, as thick as 

 the Ist ; 3rd slender at base, longer than broad ; 5th larger than the small 4th, a 

 good deal expanded at the extremity, so as to be nearly as broad as the base of the 

 club ; this is laxly articulated, elongate, densely and minutely pubescent ; the terminal 

 joint is oval and evidently longer than either of its 2 predecessors. Prosternum 

 carinate along the middle in front of the coxae. Mesosternal process very narrow, 

 quite perpendicular in front. Metasternum carinate along the middle ; this carina 

 unites with the narrow mesosternal process, so that the intermediate coxae are only 

 slightly separated, as are also the posterior. Ventral segments very minutely and 

 densely sculptured and pubescent, the basal not carinate. Femora stout but flat- 

 tened, minutely punctate and pubescent underneath. The anterior tibiae gradu- 

 ally dilated and bicalcarate at the extremity, minutely denticulate externally, and 

 with 3 spiniform setae. Tarsi with yellow pubescence underneath, moderately 

 elongate and stout, basal joint one-third longer than 2nd, 5th moderately elongate 

 and stout, the claws very minute. 



The genus Cydonotum, which occurs in Europe, America, and Australia, is 

 represented by one species in New Zealand ; it may be at once distinguished by its 

 9-jointed antennae. In the New Zealand Adolofus the antennae are also 9-articulate. 

 Cyloma undoubtedly is structurally the nearest ally, having, like Namostygnus, 

 8-jointed antennae, but the mesosternal process is thicker ; there is no trace of any 

 carina on the metasternum, which, moreover, is longer, the 4 hind tibiae are more 

 asperate and ciliated externally with spiniform setae, and, what is of more importance, 

 the basal joint of the posterior tarsi is shorter, and the claws are more developed. 

 The humeral angles protrude so as to clasp the base of the thorax, as in Cyloma 

 thomsonus, and the eyes are larger and somewhat acuminate in front. 



Namostygnus rufipes, sp. nov. 



Convex, ovate-oblong, nude, nitid, piceous ; a spot before each eye, the sides 

 of the thorax and elytra and an interrupted space on the posterior declivity fusco- 

 rufous ; palpi similar in colour, but with basal half of the terminal joint piceous ; 

 legs dark red ; antennae fusco-testaceous, club nigrescent and opaque. 



Head finely but quite definitely and moderately closely punctured, not quite 

 as broad as the front of thorax, gradually and slightly narrowed anteriorly. Thorax 

 transverse, as wide as elytra at the base, gently but not curvedly narrowed towards 

 the rounded anterior angles, the posterior angles rectangular but not acute ; its 

 sculpture similar to that of the head ; apex widely but only just perceptibly in- 

 curved near each side ; finely margined. Scutellum large, triangular, minutely 

 pimctate. Elytra suboblong, broadly and evenly rounded posteriorly ; their surface 

 very finely and moderately punctured ; this fine sculpture, however, is somewhat 

 effaced near the sides ; each elytron has a fine sutural stria, which is obsolete before 

 the middle but well developed behind ; 7 others are well marked behind ; those 

 along the sides are transformed into series of distinct punctures, none of which quite 

 reach the base ; the margins are rather fine ; the humeral angles are rectangular, 

 but not at all porrect. 



Length, l| lines ; breadth, nearly 1 Une. 



Auckland Islands. 



