ACRIDIDJE. 635 



subtransversa ; femora postica sat crassa, abdomine paullo longiora, 

 subtus rufa,apice nigricantia ; tibite posticce ruffe; alee anticce fus- 

 cescentes, cor pore paullo breviores ; alee posticce cinerece, apices versus 

 fuscescentes. 



Male. Tawny, slender. Head smooth, slightly elongate, with two 

 piceous stripes which converge from the hind border to the tip of the vertex, 

 which is flat and subheptagonal ; front slightly scabrous ; keels distinct, 

 slightly diverging towards the face. Eyes lurid, elliptical, slightly oblique. 

 Prothorax scabrous, piceous, with some tawny patches on each side ; 

 a slight dorsal keel ; no lateral keels; transverse impressed lines distinct ; 

 fore border and hind border rounded ; sides slightly rounded. Prosternal 

 spine thick, oblique, slightly transverse, flat in front, rounded at the tip. 

 Hind femora rather thick, a little longer than the abdomen, red beneath, 

 blackish at the lips ; hind tibiae bright red, much shorter than the hind 

 femora, their spines with black tips. Fore wings brownish, a little shorter 

 than the body. Hind wings pellucid cinereous, brownish about the tips ; 

 veins black, pale at the base and along the interior border. Length of the 

 body 10 lines ; expansion of the fore wings 20 lines. 



a. Australia. From Mr. Darnel's collection. 



ACRIDIUM PILIPES. 



Fcem. Testaceum, gracile ; fastigium breve, transversum ; prolhorax 

 subtiliter scaber, vix carinatus, margine postico producto vix angu- 

 lato ; prosterni spina longiuscula, sat robusta ; pedes pilosi, tibiis 

 poslicis pallide viridibus ; alee anticce pallidce cinerece, testaceo venosce, 

 corpore breviores. 



Female. Testaceous, slender. Head smooth ; tip of the vertex 

 short, transverse ; keels of the front well defined, nearly parallel. Eyes 

 piceous, elongate-oval. Prothorax finely scabrous ; keel extremely slight ; 

 transverse impressed lines distinct; fore border and sides rounded; hind 

 border elongated, hardly angular. Prosternal spine rather long and stout. 

 Legs pilose ; hind femora as long as the abdomen ; hind tibia? pale 

 green, rather shorter than the hind femora, their spines with black 

 tips. Wings pale cinereous ; veins testaceous. Fore wings rather shorter 

 than the body. Length of the body 1 1 lines ; expansion of the fore wings 

 20 lines. 



a. Australia. Presented by the Haslar Hospital. 



ACRIDIDM VIRESCENS: 



Mas et fcem. Fulvum, sat gracile ; caput breve, vertice nonnunquam 

 piceo-strigato, fastigio sulcato antice latescente ; prothorax dense 

 punctalus, vix carinatus, nigricante conspersus ; prosterni spina 

 longa, gracilis, acuta; alee anticce cinerece, corpori cequilongce, 

 maculis guttisque plurimis fulvis indistinclis. 



Male and female. Tawny, rather slender. Head short; vertex 

 convex, sometimes with indistinct piceous longitudinal streaks ; tip of the 

 vertex furrowed, widening, rounded in front ; front with four slight keels j 



