812 CATAT,OGUK OF 



wings pale cinereous; veins black. Length of the body 19 lines; expan- 

 sion of the fore wings 34 lines. 



Ii represents, like C. mutida, a transition from the Acridium type to 

 the Caloptenus type. Tiie anterior part of the vertex is between a hexa- 

 gonal and an elliptical form, and the upper part of the front is not 

 excavated. 

 a. North America. Presented by F. Walker, Esq. 



Cyrtacanthacris munda. 



Foem. Palllde lulea ; vertex disco ferrugineo, villa lata nigra, fastigio 

 longi-suhqundralo ; prothnrax suhcarinalus, fere glaber disco rufes- 

 cente, rnaculis duabus nitjris magnis subquadratis ; prnsterni spina 

 crassa, obliqua, mcsosternum allingens ; abdomen nigro fascialum ; 

 femora pnstica apice nigro nolata ; alee anticte cinerete, strigis tribus 

 guttularibus venisque nonnullis nigris. 



Female. Pale Uiteous, moderately stout. Head smooth ; vertex with 

 a ferruginous disk and with a broad black stripe on each side between the 

 eye and the hind border; its fore part elongate-subquadrate, with a keel 

 on each side; front very slightly punctured, with four distinct keels, the 

 inner keels hardly diverging, the outer keels slijjhtly diverging towards the 

 face. Eyes lurid, somewhat elliptical, the hind side more rounded than 

 the fore side. Prothorax wider hindward, almost smooth, with a slight 

 keel which is not rounded and is hardly interrupted by the transverse 

 impressed lines; disk reddish; a large subquadrale black spot on each 

 side ; fore border hardly rounded ; sides slightly rounded ; hind border 

 much rounded. Prosternal spine oblique, extending to the mesosternura, 

 its breadth at the base equal to its length. Abdomen with five irregular 

 black bands on the basal half and wiih less complete black bands on the 

 apical half. Hind femora as long as the abdomen, with a black mark ou 

 the outer side near the tip, and with a black apical spot; hind tibiaj a little 

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

 cinereous, as long as the body, with three streaks of various black dots ; 

 some of the exterior transverse sectors black ; veins pale, some of the longi- 

 tudinal veins black. Hind wings pellucid; veins whitish, those towards 

 the tips mostly black. Length of the body 12 lines; expansion of the fore 

 wings 24 lines. 



The shape of the tip of the vertex distinguishes it from nearly all the 

 species of Cyrtacanthacris and Acridium. 



a. Chili. From Mr. Cuming's collection. 



Africa and Arabia. 



A. Head short. Hind legs moderately long and stout. Wings 

 long. 



a. Hind wings not red. 



* Hind tibiae blue. ----- ruficornis. 



** Hind tibiae not blue. 



f Spines of hind tibiae white. 



I Hind wings towards the base with yellow veins. 



