102 Mr. W. F. Kiiby's 



CYRTAGANTHA CRINJ£. 

 Genus Cyrtacanthacris. 



Cyriacanthacris, Walker, Cat. Derm. Salt., B. M., iii, p. 550 



(1870). 

 Acridium vel Acrydium, Serville, Ann. Sci. Nat., xvii, p. 282 



(1831) ; Ins.' Orth., p. 141 (1839) ; et aud. seq. ; nee 



Acrydmm, Geoffroy. 



I retain this name provisionally for an extensive group 

 of large migratory locusts, much in need of sub-division, 

 which are generally designated by the inapplicable name 

 Acridium. Walker makes two genera, Cyrtacantliacris and 

 Acridium ; but all the African species included in the 

 present paper are enumerated by him under Cyrtacanthaeris. 



100. Cyrtacanthaeris tatarica. 



Gryllus {Locusta) tatarica, Linnaeus, Syst. Nat. (ed. x), i, 



p. 432, n. 46 (1788) ; Mus. Ludov. ijlric. p. 130 (1704). 

 il Acridium ruficornc, Burmeister, Handb. Ent., ii, p. G30, n. 



9 (1838); Still, Rec. Orth., p. 60, n. 2 (1873); nee 



Fabricius. 

 II Acridium siiccinctiim , Serville, Ins. Orth., p. 642 (1839), 



nee Linnaeus. 



Hcd). Transvaal: Pretoria {Distant); Johannesburg; 

 Barberton {RendaU) ; Natal (A. R.). 



The true C. ruficornc, Fabricius, is a West African insect. 



lOL Cyrtacanthaeris ruhella. 



Acridium rubellum, Serville, Ins. Orth., p. 045 (1839) ; 

 Stal, Rec. Orth., i, p. 62 (1873). 



Hah. Transvaal : Pretoria, Zoutpansberg {Distant) ; 

 Barberton {Mendall) ; Delagoa Bay {Distant). 



102. Cyrtacanthaeris variegata. 



Cyrtacanthaeris varicr/ata, Walker, Cat. Derm. Salt., iii, p. 



557, n. 18 (1870). 

 Cyrtacanthaeris internum; Walker, 1. c, iv, p. 613 (1870). 

 II Acridium rujiccn'ne, Serv. (?kc Fabr.), Ins. Orth., p. 643 



(1839). 

 Acridium hottentottum, Still, Rec. Orth., i, p. 62 (1873). 



