ACRIDIDJE. 



569. 



usual four transverse impressed lines ; disk flat, with three slight keels, of 

 which the lateral pair are very indistinct; fore border slightly rounded ; 

 sides slightly undulating; hind border much rounded. Prosternal spine 

 curved, stout, exlemiing to the fore border of the mesosternum. Hind 

 femora a little shorter than the abdomen. Hind tibia; reddish, shorter than 

 the hind femora; spines minute, with black tips. Fore wings a little 

 shorter than the body, cinereous towards the tips ; veins tawny. Hind 

 wings cinereous; veins tawny. Length of the body 19 lines; expansion of 

 the fore wings 36 lines. 

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



Australia. 



39 Cyrtacanthacris irkegularis. 



Foem. Fulva ; vertex ferrugineo bilineolatus ; prothoracls carina bene 

 determinala ; prosterni spina crassa, obliqua, recta ; femora poslica 

 abdomine longiora; tibicB posticai spinis rufts apice nigns ; aim 

 anticcE cinerece, corpore paullo longiores, maculis plurimis fuscescente 

 venonis ; alcB posliccB diaphanai, subfuscescenle marginalce. 



Female. Tawnv. Head smooth, with two oblique ferruginous lines 

 which converge froin the hind border; fore part hexagonal ; front punc- 

 tured inner keels iiaiallel, outer pair diverging towards the face. Lyes 

 ferruginous, elougalc-elliplical. Prothoiax scabrous, with a distinct 

 dorsal keel and with the usual four transverse impressed lines ; fore border 

 rounded; sides veiy slightly rounded ; hind border much rounded. Pro- 

 sternal spine thick, oblique, straight. Hind femora longer than the abdo- 

 men and than the hind tibice ; spines of the latter red, with black lips, 

 longest on the inner side. Fore wings cinereous, a little longer than the 

 body, varied from the base to the lips with several spots which are tormecl 

 bv brownish veins ; the veins elsewhere whitish testaceous. Hmd wings 

 pellucid, slightly brownish at the lips and along the exterior border; veins 

 black. Length of the body 30 lines; expansion of the fore wings 

 66 lines. 

 a. Australia. From Mr. Macgillivray's collection. 



40. Cybtacanthacbis basalis. 



Foem Fulva ; prosterni spina robusta, obliqua, subarcuata, mesoslernum 



fere attingens ; femora postica abdomine breviora ; alcB anlic^ 



cinerea;, maculis plurimis fusco-venosis aul fuscis ; aim posttcm sub- 



cinerea, venis nigris basi cyaneis. 



Female. Tawny. Head smooth ; fore part of the vertex hexagonal ; 



front thinly punctured, with four distinct keels which diverge slightly 



towards the face. Eyes elongale-ellptical. Proihorax scabrous, with a 



slight dorsal ridge and with the usual four transverse impressed lines; toie 



bonier slightly rounded ; sides hardly undulating; hind border much 



rouilded. Prosternal spine stout, oblique, sli.hty curved extending 



nearly to the fore border of the mesosternum. Hind femora shorter than 



