ACRIDID.E. 585 



Hind femora as long as the abdomen, a little longer than the hind tibia) ; 

 spines of the latter stout, whitish, red in the middle part, black towards the 

 tips. Fore wings cinereous, a little longer than the body, with many 

 anternedial pale brown spots or dots, and with several short posimedial 

 dark brown streaks along the veins; veins tawny. Hind wings cinereous, 

 slightly darker along the costa, with a short broad brown streak, which 

 proceeds from near the end of the interior border to the disk ; veins black, 

 pale testaceous towards the base. Length of the body 28 lines ; expansion 

 of the fore \\ings 66 lines. 



a. St. Jago, South America. 



29. ACBIDIUM SELLATUM. 



Mas. Pallide testaceum; caput lateribus albidis,vertice antico depresso 

 hexagonali ; prothorax vix carinalus, posticc, dilatatus ; prosterni 

 spina robusta, longiuscula ; alee anticcB corpore paullo longiores, 

 maculis fasciisque interrupts fuscescenlibus nigro-venosis ; alee 

 posticce diaphance, niyro venosce. 



Male. Pale testaceous. Head smooth, elongate, whitish on each 

 side : fore part of the vertex depressed, hexagonal ; front with four keels, 

 the inner pair obsolete towards the face, the outer pair diverging. Eyes 

 tawny, elliptical. Prothorax finely scabrous, rather short, with a very 

 slight keel and with four transverse impressed lines ; hind part abruptly 

 widened ; fore border and sides slightly rounded ; hind border much 

 rounded. Prosternal spine stout, rather long. Hind femora nearly as long 

 as the abdomen, a little longer than the hind tibia; spines of the latter 

 with black tips. Fore wings a little longer than the body, with several 

 spots and with some more or less interrupted bands of a brownish hue with 

 black veins. Hind wings pellucid ; veins black, testaceous at the base. 

 Length of the body 24 lines; expansion of the fore wings 54 lines. 



Hardly different in structure and markings from A. pereyrinum. 

 a. Monte Video. Presented by C. Darwin, Esq. 



South Africa. 



30. ACRIDIUM MOESTUM. 



moestum, Serv. Hist. Orth. 654. 



a, b. South Africa. Presented by Sir A. Smith. 

 c. Africa. Presented by J. D. Tebbs, Esq. 



31. ACBIDIUM SEPTEMFASCIATUM. 

 septemfasciatum, Serv. Hist. Orlh. 661. 

 Cape. 



32. ACRIDIUM INDECISDM. 



Mas. Fulvum, robuslum ; vertex antice hexayonalis ; antenna picece, 

 basi fulvce ; prothorax carina bene determinata, margine poalico sub- 

 angulato ; prosterni spina longa, robusta ; alee anliccc cinerece^ 

 corpore (Equilongce,fuscescente conspersce ; alee posticce fascia obliqua 

 abbreviata lalissima cinereo nebulosa yultisque exlerioribus nigri- 

 canlibus. 



Y 



