62 TRAVELS AMONGST THE GREAT ANDE><. 



pieces very narrow. The third and fourth abdominal segments nearly equal 

 in length, the two togctlier about as long as the second segment. Legs 

 long, femora clavate, tibia' A'ery feeldy arcuate. 



Tliis genus is allied to OtiorrhijndmH, Genu., and Sciopithes, Horn (Proc. 

 Amer. Phil. Soc, xa% p. 62, 1876), but differs in the structure of the rostrum 

 and antennal scrobes, etc., and also from tlie latter in the presence of a 

 distinct scutellum. 



4. Helicorrhyncliits vulsus, sp. n. 



Hab. Pichincha (15,500 feet), Cliimborazo (15,800-16,000 feet). 



Elongate-OA'ate, moderately convex, pitchy black, shining. Head rather 

 l)road, finely and closely punctured, Avith an elongate feeble impression 

 lietween the eyes and a much shortei' and dee])ei' imj^ressiim at the l)ase 

 which is sometimes hidden beneath the prothorax ; rostrum liroader in front 

 than behind, slightly constricted in the middle, more strongly punctured 

 than the head, finely and irregularly strigose near the sides, with a 

 moderately strong longitudinal impression near the apex between tlie an- 

 tenna". Antenuie ferruginous, clothed with fine yellow pubescence. Pro- 

 tlmrax slightly longer than bmad, narrower in front than behind, extremely 

 tinelv and rather closely puncture<l, with a A^ery strong circular impression 

 on each side just behind the middh' ; no distinct median line ; sides slightly 

 constiicted liotli before and beliind, aicuate in the middle. Scutellum im- 

 punctate. Elyti'a at the base considerably l)roader than the pi-othorax, still 

 luoader Ijehind the middle especially in the female, about twice as long as 

 the head and prothorax together, moderately strongly punctate-stiiate, the 

 strife effaced posteriorly and indistinct towards the sides, the interstices 

 rather broad, ilat, very finely aciculate and extremely finely punctured ; the 

 sides arcuately rounded to the apex. Underside pale pitchy, finely and not 

 very closely punctured. Aery sparingly clothed Avith yellc^N- itubescence. 

 Le^s ferruginous. This species has miich the appearance of a small Ofior- 

 rhynchus. Length, 6-7| mm. For Figure see the Plate facing p. 60. 



5. Pandeletius argentatm, sp. n. 



Hah. Eastern side of Corazon (12,000 feet). 



Elongate, narroA\-er in front than liehind, rather convex, jiitchy, densely 

 clotlu'd Avith metallic golden and silvery green scales. Head Inoad, moderately 

 convex sliglitlv depressed in front, finely and not A'ery closely punctured ; 

 eA'es not very prominent ; rostrum rather long, narrowed in front, obli(pudy 

 depressed in the middle throughout its Avhole length, the central channel 

 extending from betAveen the eyes to just behind the apex, sjiaringly and 

 finely ]iuii(ture<l, the apex triangularly emarginate and clothed with rather 



