116 



metasterno (PI. III., A, fig. 2, g) motlico, transverso, ad latera corporis non extenso, 



margine posteriori inter coxas recta ; ipintirnis iatis, sat brevibus, ad coxas non 



extensis ; ejnmeris angustis, extremis triangulariter inflexis, reliquis sub elytris 



occultis. 



Venter segmentis sex compositus, 1 permagno, longo, caeteris omnibus longitudine 



lequaii, aliis seipsis pariter longis, apicali integro. 

 Pedex aittiri coxis osalibus ; trocbanteribus parvis, trigonalibus ; femoribus modicis, 

 siniplicibus ; tibiis longis, graeilibus, paruni recurvatis, pilosis ; tarsis 4-articu- 

 latis, 1 longo : 2 primo breviori, profinuie bifido ; 3 minuto ; 4 valde elongato, 

 gracili : unguibus gracilibus, subtiis ad basim leviter denticulatis. 

 interinidii anticis similes, sed paiilo breviores. 



postici intermediis longiores, tibiis apicem versus externe setosis, alioqui similes. 

 Coxa anteriores ovales, non uoutiugentes, nee prominentes. 

 intennedice rotundatae, modice distantes. 

 postcriores remotse, elongato-ovales, ad epimera extensae. 



Jiody either oval or obconic, convex, pubescent, with the hinder angles of the 

 thorax elongate, and the extremities of the elytra subtruncate. 



Head small, entirely covered by the pronotum ; mouth deflexed, and gular portion 

 scarcely convex ; eyes generally small. 



Antenna (PI. Ill , A, fig. 7) generally small, geniculate, ten-jointed, 1 very large, 

 anteriorly much incrassated, and strongly recurved ; 2 much smaller and 

 shorter than the first, broadest at the apex, and straightly truncate ; '6 small 

 and slender ; 4 shorter than the third, ijuadrate ; 5 shorter than the fourth, 

 transverse ; 6 larger and longer than the fifth ; 7 broader than the sixth, 

 short, transverse ; 8-10 much incrassate, pubescent, forming a scarcely sub- 

 foliate club, apical joint very obliquely excavated at its extremity. 



Maxillarfi palpi (PI. III., A, fig. 5, wi short, very robust, four-jointed, 1 small, 

 incrassate at the apex ; 2 very large, pyriform, turgidly incrassate, broadly 

 truncate at the apex ; 3 much more slender than the second, short, suboblong ; 

 4 more slender than the third but uearlj' as long, obtusely conical. 



Lahiid palpi (PI. III., A, fig. 6, mi rather short and rather robust, three-jointed, 1 

 very minute ; 2 large, subcyliudric ; 3 very short, subquadrate, emarginate in 

 front. 



Labrum (PI. III., A, fig. 3) short, transverse, strengthened with broad lateral costiB 

 at the base, ovally rounded and emarginate in front, and furnished with several 

 moderate seta;. 



Mandibles (PI. III., A, fig. 4) rather small, with a strong dorsal costa, and armed 

 near the apex with several sharp teeth. 



Maxilhe (PI. III., A, fig. 5) moderate, unilolied, the lobe long and slender, armed at 

 the apex with several sharp teeth, of which the intermediate are wanting. 

 (This peculiar arrangement of the teeth is persistent in all the maxillse I have 

 seen, and is therefore not accidental.) Sti|)es very small. 



Mcntum (Pi. III., A, fig. 6, j) large, subquadrate, dilated at the base. 



Labium (PI. III., A, fig. 6, k) for the most part concealed by the mentum, the anterior 

 portion only being visible; this is acuminate, and furnished with rather large 

 paraglossie. 



Lingua (PI. III., A, fig. 6, 1) very large, rather short, fan-shaped, very broadly 

 dilated, extending considerably beyond the outer side of the palpi. 



Pronotum rather large, anterior margin entire, either circularly or ovally rounded, 

 hinder angles generally very much produced. 



Scutelliim generally small and rounded. 



Eli/tra short, generally subtruncate, often attenuated posteriorly. 



Winc/s small and narrow, with the membrane elongate-oval, very thin, fringed i.u 

 the hinder margin, and strengthened with the usual neuration. 



