I*t8 



Labium (PI. VII., C, fig. 3, z) modicum, transverBum, antice emarginatum et 

 lateriiliter dilatalum atque rotuudatum ; ijiislnma Hive dypeitx (iig. u) per- 

 maf^nus, antice emarginatus, et latcraliter valde dilatatus, sat profunde punc- 

 tatiis, iuturstitiis f;labri6, nitidissimis. 



MaiiiUl/uhe (PI. VII., C, fif;- 4) magna;, valida?, apice profunde bifido et acute 

 unciunato, basi valde dilatatii, processu longo, ad aciem seiTato, intus instructs. 



Maxilie (PI. VII., C, fig. 5) robustie, trilobatie, lobo extemo, re vera stipitis processu, 

 sat magno, cultriformi ; intermedio maguo. longo, setis longis ad apicem 

 instructo ; interiori modico, ad apicem oijlique excavato atque setis pnelongis, 

 incurvatis instructo. Stipes sat magnus, robustus. 



Meiitum (PI. VII., C, fig. G, j) suboblongum, trausversum, ad basim dilatatum. 



Labium (PI. VII., C, fig. 6, k) sat magnum, (juadratum, costis lateralibus validis 

 tirmatum, margiue anteriori media in dentem acutum producta, ad latera 

 paraglossia articulatis, ad apices setosis, iustructa. 



lAngua (PI. VII., C, tig. 6, 1) permagna, lata, palpos longitudine superans. 



Pronolum parvum, margine anteriori fere circulariter rotuudata, media elevata, et 

 leviter concavata, angulis posterioribus baud productis. 



Scutillum modicum, triaugulari. 



Elytra integra, magna, intiata, epipleuris latissimis. 



ALe amplie, elongatie, ad basim latissimaj, dimidio basali nervis duabus costalibus, 

 validis, altero mediali tenuiori, atque altero brevi, augulato ad basim ipsam, 

 firmato ; dimidio apicali nervis duobus medialibus, leviter divergentibus, ad 

 bases angulatis, e nervis costalibus exortis, firmato. 



Abdomen segraentis novem compositus, apicali solo corneo, atque sulco profundo 

 mediali impresso ; reliquis omnibus membranaceis. 



I'rothoid.v (PI. VII., C, fig. 2, a) sat magnus ; prostcnio magno, postice emarginato, 

 et late divaricato, coxarum receptacula maxima parte cingeuti ; cpistcrnis 

 minutis, inconspicuis ; epimeris parvis, satis distiuctis ; receptaculis coxarum 

 rotundatis, late distantibus. 



Pectus mcsoster>w (PI. VII., C, fig. 2, d) brevi, latissimo ; episternis deflexis, incon- 

 spicuis ; epimeris permagnis, ad omue latus externum coxarum receptaculorum 

 extensis ; receptaculis coxarum rotundatis, longe distantibus. 

 metasterno (PI. VII., C, fig. 2, g) transverso, latissimo, ad latera corporis extenso, 

 margine posteriori inter coxas leviter rotundata ; episternis atque epimeris 

 angustissimis, coriaceis, fere rudimentariis, sub el3-tris occultis. 



Venter segmentis sex compositus, primo longo, sat magno, casteris multo brevi- 

 oribus, seipsis pariter longis, apicali integro. 



Pedes iintiei trochanteribus acute conicis ; femoribus simplicibus, robustis ; tibiis 

 simplicibus, ad apices parum dilatatis ; tarsis triarticulatis, duobus basalibus 

 fere paribus, profunde bifidis ; apicali elongato, sat gracili;unguibus modicis, 

 ad bases subtus dentatis. 

 intermedii atque posteriores anticis similes. 



Cox(e omnes rotundata?, et plus minusve remotse. 



J3ody hemispheric. 



Head large, retractile but capable of extrusion, deflexed, gular portion very convex; 

 eyes rather small, prominent ; antenna? inserted near the base of the mandibles, 

 when withdrawn folded round the inner side of each eye. 



Antennce (PI. VII., C, tig. 7) scarcely geniculated, 11-jointed ; 1 large and long, 

 elongate-pyriform, obliquely truncate at the apex ; 2 small and short, abruptly 

 excavated on the inner side of the base, and attached to the tirst at the outer 

 side of its apex ; 3 long and slender, much longer than the second ; 4-8 small, 

 gradually shorter; 9-11 incrassated, forming a subsolid club with rather 

 indistinct divisions. 



Maxilbiry pcdpi (PI. VII., C, fig. 5, w) four-jointed; 1 short and broad, cyathiform ; 

 2 very large, turgidly incrassate, excavated at the extremity, and furnished 

 with a short seta at each angle ; 3 very short, transverse ; 4 elongate, conical. 



