ACRIDID^. 715 



Female. Dingy lawny, slout. Head and prothorax with four 

 blackish irregular stripes. Head smooth, short, with some whitish marks 

 on each side; tip of the vertex truncale-conical ; front very thinly punc- 

 tured ; keels slight, slightly diverging towards the face, which they do not 

 reach; a piceous lanceolate streak on each side between the eye and the 

 mouih. Eyes subelliptical, rounded oo the hind side. Prothorax finely 

 scabrous, with a nearly Hat disk and with three slight keels; transverse 

 impressed lines slight; fore border almost straight; sides and hind border 

 rounded. Prosiernal spine pale testaceous, transverse, broadly notched, its 

 breadth more than twice its thickness. Legs with some piceous marks; 

 hind femora broad, as long as ihe abdomen, luteous beneath and on the 

 inner side, where there is a broad black stripe ; hind tibii3B luteous, shorter 

 than the hind femora, irregularly streaked with black ; spines black, luteous 

 at the base. Fore wings cinereous, shorter than the abdomen, with several 

 patches and spots formed by blackish veins; veins elsewher^ ferruginous. 

 Hind wings pellucid. Length of the body 13^ lines ; expansion ol the fore 

 wings 18 lines. 



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



2. Platacanthus cervinus. 



Foem. Cervinus, rnbuntus ; caput lonyiusculum,fasligio piano transversa 

 subpenlagonali subcarinato ; antenucB picece, gracillimce, basi pallidce ; 

 prothorax brevis, subtuberculatus, subcariiiatus ; proslernum juyo 

 transversa lalissimo ; femora poslica latissi7na, itilus rufa, fascia 

 subapivali apiceque rujis ; tibice poslicce rufce ; alee anticce cinereoe^ 

 basi cervincE, abdomine paullo longiores ; alee poslicce diaphancB, 



Female, Fawn-colour, stout. Head rather long; tip of the vertex 

 flat, transverse, snbpentagonal, slightly keeled; front thinly punctured, 

 with four very slight keels, which diverge towards the face. Eyes ferru- 

 ginous, sulielliplical, much rounded on the hind side. Antennae piceous, 

 very slender, pale towards the base. Prothorax short, thinly and minutely 

 luberculale, with a slight keel and with four slight transverse impressed 

 lines; lateral keels indeterminate; fore border nearly straight; sides 

 slightly angular; hind border much rounded. Prosternal spine forming a 

 very broad transverse ridge, which occupies nearly all the space between 

 the fore coxas. Abdomen reddish above at the base. Hind femora very 

 broad, as long as the abdomen, piceous at the tips, red on the inner side, 

 with a piceous subapical band ou the upper side; hind tihiae red, a little 

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

 cinereous, fawn-colour towards the base, a little longer thau the abdomen. 

 Hind wings pellucid; veins black, pale towards the base and along the 

 interior border. Length of the body 14 lines; expansion of the fore wings 

 20 lines. 



a. Australia. Presented by the Haslar Hospital. 



3. Plaxacanihus includens. 



F(Cm. Fulvus, gracilis, sublus testacens ; caput el prothorax nigra 

 bilineala; caput nigrum, vitta guttulari nigra, fastigio hexagonali; 

 antenitte leslacece; prothorax brevis, subcarinatns, margine postico 



