62',J CATALOGUE OF 



head, and there extends to the lip of tlie vertex. Head smooth ; tip of the 

 vertex flat, hexagonal ; front thinly punctured, with four slrongly-inarked 

 keels, which diverge slightly towards llie face. Eyes lurid, elliptical. 

 Antennai testaceous. Prothorux finely scabrous, slightly widening hmd- 

 ward ; keel very slight, interrupted by the distinct transverse impressed 

 lines; fore border and sides slightly rounded; hind border slightly 

 elongated and angular. Prosterual spine slender, slightly acute. Abdo- 

 men whitish testaceous, with a narrow ferruginous band on the hind burder 

 of each segment. Hind femora as long as the abdomen, with whitish 

 angular bands on each side; hind tibiae a little shorter than the hind 

 femora, their spines white, with black tips. Fore wings cinereous, as long 

 as the body; veins ferruginous. Hind wings pellucid, pale yellow towards 

 the base and along the interior border. Length of the body 14 — 15 lines; 

 expansion of the fore wings 32 — 34 lines. 



a, b. Oajaca. From M. Salle's collection. 



ACRIDIUM MARGINAI.E. 



Mas. Luleutn, sat rohustum ; fasligium breve, transverse subellipticum ; 

 frons scabra ; antenna: nigra, basi lulece ; prothorax brevis, aspere 

 scaber, vix carinalus, posii.ce sublalescens, margine antico vix inciso ; 

 proslerni spina crassa, subacula ; abdomen nigrum, basi fasciisque 

 dorsalibus rufis, aplcejiavo ; pedes nigra vitlati, tibiis posticis nigris 

 teslaceo uiiiliuealis ; alee anlicce pallide fusccB, corpore paullo 

 breviores ; ala posticce cinere(B,fusco marginalcB. 



Male. Luteous, rather stout. Head smooth; tip of the vertex short, 

 transversely subelliplical, with two excavations; front scabrous; keels 

 slight; inner keels slightly converging towards the face; outer keels 

 slightly diverging. Kyes elliptical, dark red, rather prominent. AntenuEe 

 black, luteous at the base. Prothorax short, roughly scabrous, slightly 

 widening hindward ; keel hardly indicated ; transverse impressed lines 

 well defined ; fore border very slightly notched in the middle ; sides and 

 hind border rounded. Prosternal spine thick, slightly acute. Abdomen 

 black; dorsum with red bands, wholly red towards the base; tip yellow. 

 Femora and four anterior tibiie striped with black; hind femora shorter 

 than the abdomen; hind tibiaj black, with a testaceous line on the outer 

 side, a little shorter than ihe hind femora ; hind tarsi black, with a yellow 

 line on the outer side. Fore wings pale brown, a little shorter than the 

 hody ; veins pale luteous. Hind wings cinereous-hyaline, broadly* brown 

 at the tips, and narrowly brown along the exterior border; veins 

 black, red towards the base and along the interior border. Length of the 

 body 13^ lines ; expansion of the fore wings 27 lines. 



a. Para. From Mr. Bates' collection. 



ACKIDIUM MACULIFERUM. 



Mas. Teslaceum,sat validum ,• fasligium convexum, anlice atlenuatum ; 

 prothorax brevis, puticlatus, vix carinalus, piceo sexvillulus, postiee 

 lulescens ; pi-osterni spina longa, gracilis, obliqua, coiupressa, meso- 

 slernum non allingens ; abdominis lalera nigro no lata ; femora pos- 

 tica nigro exlus irimaculala, intus bimaculala ; alee anticte cinereee, 

 teslaceo venosw, corpori ctquilongte. 



