224 COLKOl'TKKA. 



ratht'i' (liiiily and fVfnly distributed, mostly decumbent, fine and greyish 

 on the legs. 



Rostrum quite half the length of the thorax, contracted near the 

 middle, obsoletely tricarinate. Eyes large, nearly flat, with coarse 

 facets, extending to the sides of the head. Thorax a third broader than 

 long, widest at the base, distinctly but not abruptly narrowed before 

 the middle; moderately hnely and rather distantly punctured, with a 

 smooth, indistinctly elevated line along the middle. Elytra widely 

 ai-cuate-emarginate at the base, of the same width there as the thorax, 

 (hmble its length, broader and more convex just behind the oblique 

 shouldeis than they are elsewhere, curvedly narrowed behind, the dorsum 

 sloping backwards; they have series of rather distant moderate punc- 

 tures, some of the interstices are slightly elevated near the base but 

 not on the dark spots, which seem depressed, the declivity is striate. 



Legs thick, anterior tibiae obliquely narrowed close to the extremity, 

 not at all prominent externally at the middle. Tarsi and antennae 

 like those of G. lyyrijormis. 



No similar species has been described. 



Length (rostrum inclusive), 2 mm. ; breadth, 1^ mm. 



Epsom, on the lower slope of Mount Eden, Auckland. A solitary 

 individual found by me on the 12th February, 1912, amongst decaying 

 leaves on the scoria, which at that place is exceedingly rough. 



3617. Geochus lateralis sp. nov. 



Nitid, castaneo-rufous, the middle of each elytron sometimes in- 

 fuscate, antennae f ulvescent ; sparingly clothed with distinct yellowish 

 setae, which on the thorax are depressed, on the elytra suberect; the 

 body widest just behind the posterior femora, moderately conv^ex along 

 the middle, elytra somewhat flattened towards the sides and apes. 



Rostrum evidently shorter than the thorax, broad, narrowed behind, 

 opaque, indistinctly tricarinate. Eyes flat, of moderate size, reaching 

 the sides of the head. Thorax nearly a third broader than long, widest 

 at the base, which is oblique at each side of the middle; it is much 

 narrowed towards the front, and distinctly but not closely punctate. 

 Elytra of the same width as the thorax at the base, closely fitted to it, 

 and nearly twice its length; their sides are flattened, very distinctly 

 uiargined, moderately rounded, gradually expanded; the declivity not 

 quite vertical, considerably narrowed but not margined; they are 

 moderately coarsely seriate-punctate, substriate behind. 



Scape glabrous, clavate at extremity; funiculus very thinly and 

 finely pubescent, 2nd joint of about the same length as the 1st but much 

 more slender, joints 3-5 short, 6th and 7th rather larger; club dis- 

 tinctly pubescent and articulated, elongate-oval. 



Anterior tibiae slightly prominent above the middle, gradually 

 narrowed towards the extremity. 



Underside sliglitly nitid, with a few short, slender setae; the breast 

 and basal abdominal segment coarsely but rather distantly punctured, 

 remaining segments minutely and densely sculptured. Prosternum 

 plane. Metasternum short, with a straight ridge across its front. 

 Basal ventral segment on a slightly higher level than the 2nd, truncate 

 between the coxae, slightly incurved behind. 



The sharply marked elytral margins, the absence of nodiform eleva- 

 tions on the interstices, the more convex basal ventral segment, and 

 different tibiae distinguisli this from the northern G. marginalis, 2541. 



