ACRIDID^. 611 



CVRTACANTHACBIS UNILINEATA, 



Mas. Viridescens, sat gracilis; caput et prol/wrax Jlavo unilineata ; 

 caput vertice piceo, fasligio magna hexayonali ; antenna; fulvcB, 

 robustce ; prothorax scaber, piceo plagiatus, carina bene determinata ; 

 prosterni spina paltideJlava,robusta,obliqiia,mesostprnum altingens ; 

 pedes fulvi, femoribus posticis exlus albidis, spinis albidis apice 

 nigris ; alee cinerecB, corpore paullo breviores, piceo venosce. 



Male. Dull green, rather slender. Head and prothorax wilh a 

 slender yellow stripe. Head smooth, short ; vertex piceoiis ; tip depressed, 

 hexagonal; front tawny, coarsely punctured; keels well defined; inner 

 keels nearly parallel, slightly curved inward in the middle; outer keels 

 diverging towards the lace. Eyes lurid, fusiform. Antennae tawnv, rather 

 stout. Prothorax scahrous, with a well-detined keel; five or six piceous 

 paiches on each side; transverse impressed lines distinctly marked ; fore 

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

 sternal spine pale yellowish, stout, oblique, extending to the mesosternum. 

 Legs tawny; hind femora longer than the abdomen, whitish and with tes- 

 taceous ridges on the outer side; hind lihise almost as long as the hind 

 femora; spines whitish, with black tips. Wings cinereous, a little shorter 

 than the body; veins piceous. Length of the body 10 lines; expansion of 

 the lore wings 20 lines. 



a. Indiana, Presented by F. Walker, Esq. 



CyRTACANTHACRIS DIVliRSIFEBA. 



Foem. Testacea, sat robusta, sublus niyro varium ; caput rufum. fastiqio 

 longi-quudruto ; prothorax subcarinatus, subliliter scaber, disco 

 antico ritfo, vittis duabus macularibus nigris; prosterni spina 

 robusta, arcuata, obliqua mesostcrnuni altingens ; femora postica 

 nigra fascia ta et maculata; tibice posticcB nigra spinosce ; alee anticce 

 cinerece, corpore breviores. 



Female. Testaceous, rather stout. Head red, smooth, paler in front ; 

 fore part of the vertex depressed, elongate-quadrate; front thinly punc- 

 tured, with four distinct keels; inner keels very slightly converging from 

 the middle to each end ; outer pair diverging much towards the face. Eyes 

 piceous, irregularly oval, tessellated with testaceous, Prothorax finely 

 scabious, red between the fore border and the fourth transverse impressed 

 line, with a slight keel which is slightly interrupted by the distinct trans- 

 verse impressed lines; keel not rounded ; three black spots forming a short 

 stri|)e on each side; fore border hardly rounded ; sides slightly rounded ; 

 hind border much rounded. Prosternal spine stout, curved, oblique, 

 extending to the fore border of the mesosternum, which has a blackish spot 

 on each side. Borders of the pectoral segments black. A!)domen with 

 various blavk marks. Hind femora as long as the abdomen, wilh angular 

 black bands and with lower black spots on the outer side ; bind tihias rather 

 shorter than the hind femora, their spines black. Fore wings cinereous, 

 shorter than the body; veins tawny, reddish towards the base. Hind 



