670 CATALOGUE OF 



Female. Pale testaceous, rather slender. Head and prothorax with 

 two slightly darker blackish-bordered stripes. Head smooth, elongate ; 

 tip of the vertex flat, transverse, rounded in front, retracted behind ; front 

 punctured, with four distinct keels; inner keels parallel; outer keels 

 diverging towards the face. Eyes elongate-oval, oblique. Prothorax 

 finely scabrous, hardly widening hindward, with an extremely slight keel, 

 with slight transverse impressed lines and with two smooth calli on each 

 side in the stripe; fore border slightly rounded; sides and hind border 

 more rounded. Prosternal spine long, thick, slightly acute. Fore wings 

 cinereous, a little shorter than the body; costa dilated and rounded near 

 the base; veins pale testaceous. Hind wings pellucid; veins black, 

 whitish at the base and along the interior border. Length of the body 

 14 lines ; expansion of the fore wings 28 lines. 



a. Philippine Isles. From Mr. Cuming's collection. 



32. HETERACRIS? VITTICOLLIS. 



Acridium vitticolle, Blanch. Voy. Pole Sud. Zool. iv. 373, pi. I, f. 10. 

 Triton Bay, N. Guinea. 



33. HETEEACRIS? VITTIGERA. 



Acridium vittigerum, Blanch. Voy. Pole Sud. Zool. iv. 371, pi. 3, f. 9. 

 Triton Bay, N. Guinea. 



Australia. 

 Group 1. 



A. Prosternal spine acute. mundata. 

 fe. Prosternal spine obtuse. 



a. Prosternal spine bilobed. - - Australis. 



b. Prosternal spine not bilobed. - - - conglobata. 



H. conglobata and H. mundata may form two distinct genera. 



34. HETERACRIS? SPARSA. 

 Acridium sparsum, Serv. Hist. Orth. 646. 



The pale tibiae of this species distinguish it from H. Australis, and its 

 speckled fore wings distinguish it from the other Australian species here 

 described. 



Australia. 



35. HETERACRIS AUSTRALIS. 



Mas. Nigra, gracilis,fere cylindrica ; caput et prothorax punctata,flavo 

 quadrivittata ; fastigium conicwm, from et fades testaceee ; anlennte 

 nigra, basi testacece ; pectus rufescente cinereum ; prosterni spina 

 teslacea, transversa^ lalissima, sulcata ; abdomen testaceum ; pedes 

 testacei,femoribus nigro viltatis, tibiis posticis rufis basi nigris albo 

 fasciatis ; alfe anticte nigricantes, corpore breviores, villa postica 



