068 CATALOGUE OF 



obliqui. Antennae graciles, prothorace valde longiores. Prolliorax vix 

 carinatus, poslice sublatescens, lineis quatuor transversis impvessis, margine 

 postico valde rotundato. Prosterni spina robusta, brevis, subobliqua. 

 Pedes graciles. Alae anlica corpori ajquilongs. 



Male. Body very slender. Head and prolhorax finely scabious. 

 Head rather long; tip of the vertex flat, conical, very prominent ; front 

 oblique; keels well defined, parallel. Eyes elliptical, oblique. Antennae 

 slender, very much longer than the prothorax. Prothorax slightly widening 

 hiudward ; keel extremely slight, only apparent towards the hind border ; 

 the usual four transverse impressed lines distinct; fore border and sides 

 slightly rounded ; hind border much rounded. Prosternal spine stout, 

 short, slightly oblique. Legs slender ; hind femora longer than the abdo- 

 men ; hind tibiae somewhat shorter than the hind femora. Fore wiugs as 

 long as the body. 



26. Heteraceis tenuis. 

 Mas. Pallide teslacca ; prothorax rufo biviltalus ; alcB anticce diaphatice, 

 albido venoscE, apud costam rufo venoscB. 

 Male. Pale testaceous. Eyes ferruginous. Prolhorax with a red 

 stripe on each side. Wings pellucid. Fore wings with whitish veins, 

 except along the cosla for more than half the length, where they are red. 

 Hind wings with the veins mostly blackish. Length of the body 7 Hues; 

 expansion of the fore wings 16 lines. 



a. China. Presented by J. C. Bowring, Esq. 

 h — (/. China. Presented by G. T. Lay, Esq. 



Group. — ? 



27. Heteraceis ? robusta. 



Acridium robustura, Serv. Hist. Orth. 647 — Caloptenus (Div. 2) rohustus, 

 Sauss. 



China. 



28. Heteracris? alaceis. 



Acridium alacre, Serv. Hist. Orth. 682— Caloptenus (Div. 2) plorans, 

 Saxiss. 



Hindostan. 



Australasia. 



A. Fore wings not dilated at the base. 



a. Hind femora not black at the tips. _ - . antica. 



b. Hind femora with black tips. - - - - gavisa. 



B. Fore wings dilated at the base. ... simplex. 



29. Heteracris antica. 

 Foem. Testacea, gracilis; fastigium conicum ; antenna graciles, pro- 

 thorace multo longiores; prothorax tricarinatus, subtiliter scaber ; 

 prosterni spina gracilis, acuta, subcompressa, subobliqua; ala anticce 

 angusta, pallidce cinerece, corpore paullo breviores. 



