( 244 ) 



or less broadly connected with the apical spot, vednciuf; the brown lateral area 

 to spots of variable size ; jiygidinm with very thin brown mesial line ; underside 

 almost uniformly creamy white, without isolated lateral spots on abdomen. Inner 

 edge of third line of punctures of elytrum raised posteriorly as in ada. 



Hah. Rio Pardo, Sao Panlo, December 1898 (Gounelle), Ujpc ; Matu Sinhas, 

 Minas Geraiis, March— April 1885 (Gounelle) ; Sierra de Commuuaty, Peruambuco, 

 Januar}- — March 1883 (Gounelle). 



6. Gymnognathus hilda spec. nov. 



? . Pygidinm bidentate, last abdominal segment rounded. Brownish rufous. 

 Rostrum broader than long, depressed at liase, a broad vitta creamy, on liead 

 divided into two, which border the eyes. Head with thin mesial carina. Prothorax 

 twice as broad as long, conve.K ; a mesial vitta, narrowing frontad, and an oblique 

 dorso-lateral vitta grey, the grey pubescence of the underside extending uj)wards 

 above the lateral carina ; this carina horizontal, the angle rounded. Elytra 

 flattened above but not impressed, parallel from base beyond middle, tlien slightly 

 narrowed, almost truncate at apex ; punctured stripes very fine ; a grey sutural 

 patch from base beyond middle, dilated at base to lateral edge, rounded-sinuate 

 behind base, emargiuate behind and slightly also at sides ; a lateral marginal 

 spot before middle and a large triangular apical spot not reaching suture, grey. 

 Pygidium all grey, a little broader at base than long. Underside grey, with 

 small vestigial brown spots. Legs rufous, tarsi blackish. 



Length, 4 mm. 



Hah. Cara9a, Minas Geraes, December 1885 (Gounelle). 



1 ?. 



7. Gymnognathus emma si>ec. nov. 



cJ?. Pygidinm bidentate, last abdominal segment rounded; liead and 

 prothorax rufous red, rostrum, base of pronotum and of elytra and tlie underside 

 black, or brownisli black, elytra rufcscent. Rostrum half as long again as broad, 

 little widened at apex, rugate-punctate, a double creamy vitta, contiguous, divided 

 at base into two vittae running across head, bordering the eves ; frons multicarinate. 

 Prothorax broader than long, finely rugulate transversely all over, convex, 

 transversely depressed in front of carina ; apex edged with creamy white, a trans- 

 verse band in front of carina curving forward laterally, and continued downwards, 

 a short mesial streak on disc, a mesial basal spot and a transverse lateral basal 

 sj)ot of the same colour, basal carina convex laterally, angle 90°, slightly rounded. 

 iScutelluni narrowed basad. Elytra with a transverse grey basal spot from suture 

 to shoulder produced backwards at sutural end, followed by an oblicjue blackish 

 space bordered behind by a grey streak, an elongate spot below shoulder, first 

 stripe of jiunctures, an oblique narrow apical sjiot and some traces of lateral 

 median streaks, grey ; the grey sutural line anteriorly joined to an obli(pie discal 

 line. Pygidinm creamy white, with straight rufous brown mesial vitta. A 

 large triangular lateral spot on mesosternum and base of metasternum, and a 

 transverse apical band on metasternum creamy ; a small transverse spot on first 

 abdominal segment, and broad bands on the others white. Legs brown-black, 

 sparsely pubescent grey. 



