ACRIDHXE. 555 



longer than the hind wings ; veins pale, black in the numerous cinereous 

 patches, spots and dots, which extend from the base to the tip. Hind wings 

 pale brownish, pale yellow in the hind part towards the base, with some 

 spots like those of the fore wings along the apical part of the costa ; veins 

 black, yellow towards the base. Length of the body 27 lines ; expansion 

 of the lore wings 54 lines. 



The colour of the hind tibiae distinguishes it from C. Americana, 

 a. West Coast of America. Presented by Capt Kellett and Lieut. Wood. 



11. CYRTACANTHACRIS SEPTENTRIONALIS. 



Foem. JFWwa, gracilis ; caput et pro thorax nigricanle bivillata ; caput 

 vittis duubus lateralibus nigricantibus, vertice antico hexagonali ; 

 prothorax margine antico fere recto, margine postico vix angulato ; 

 prosterni spina lanceolata, sat gracilis; alee antic< cinerecc, villa 

 basali picea diffusa; alie posticce diaphante, apice cinerece. 



Female. Tawny, slender. Head and prothorax with two broad 

 blackish stripes. Head smooth, with a blackish stripe on each side 

 between the eye and the mouth ; vertex in front of the eyes depressed, 

 hexagonal ; front nearly perpendicular, somewhat roughly punctured, with 

 four well-defined keels, the inner pair parallel, the outer pair diverging 

 towards the face. Eyes ferruginous, fusiform. Prothorax finely scabrous, 

 with a slight keel and with four transverse impressed lines; first line indis- 

 tinct in the middle; second abbreviated on each side; fore border almost 

 straight; sides slightly curved ; hind border very slightly angular. Pro- 

 sternal spine lanceolate, rather slender, very slightly curved. Hind femora 

 as long as the abdomen. Hind tibiae rather shorter than the hind femora; 

 spines on the inner side longer than those on the outer side. Fore wings 

 cinereous, with a diffuse piceous basal streak; veins tawny. Hind wings 

 pellucid, cinereous at the tips; veins whitish, tawny towards the tips. 

 Length of the body .22 lines; expansion of the fore wings 44 lines. 



The broader and less defined stripe of the prothorax and the dark 

 spines of the hind tibiae distinguish it from C. parvula. 



a. West Coast of America. Presented by Capt. Kelletl and Lieut. Wood. 



Africa. 



12. CYRTACANTHACRIS RDFICORNIS. 



Gryllus ruficornis ? Fabr. Ent. Syst. ii. 54 Acridium succinotum, Serv. 

 Hist. Orth. 642 Acridium ruticornis, Barm. Handb. Ent. ii. 630. 



a c. South Africa. Presented by Sir A. Smith. 

 rf, e. Cape. Presented by R. Trimen, Esq. 

 /. Cape. Presented by R. W. Townsend, Esq. 

 a. Cape Town. From Mr. Trimen's collection. 

 h. Ceylon. From the Rev. Mr. Wenham's collection. 

 . Madagascar. From Madame Ida Pfeiffer's collection. 



The Madagascar specimen here recorded has pale tibia?, but hardly 

 differs in other characters from the African type. 



