ACRIDIDjE. 699 



border tawny, slightly elongated, much rounded. Prosternal spine long, 

 thick, rounded at the tip. Hind femora rather longer than the abdomen, 

 with two broad black streaks on each side ; hind tibiae shorter than 

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

 as long as the body, with an interrupted blackish discoidal streak ; many of 

 the transverse sectors blackish-bordered. Hind wings pale cinereous; veins 

 tawny. Length of the body 11 lines;' expansion of the fore wings 24 

 lines. 

 a. Congo. Presented by Sir J. Richardson. 



48. CALOPTENUS MINOP. 



Mas. Fulvus, sat gracilis, subtus lutescens ; caput breve, fasti gio longi- 

 conico vix hexagonali ; antennae testacece ; prothorax subtiliter scaber, 

 disco tricarinato fere piano, margine postico rotundalo ; prosterni 

 spina albida, robusta, transversa, apice piano. ; femora poslica lutea, 

 abdomini cequilonga, extus fulva ; tibia posticce rufce; alee anticee 

 cinerece, corpore breviores, venis discoidalibus fuse-is, maculis quinque 

 spatioque costali e venis albidis. 



Male. Tawny, rather slender, pale luteous beneath. Head smooth, 

 short; tip of the vertex elongate-conical, slightly hexagonal; front thinly 

 punctured ; keels distinct ; inner keels parallel ; outer keels diverging 

 towards the face. Eyes lurid, subelliptical, much rounded on the hind 

 side. Antennae testaceous, slightly flattened. Prothorax finely scabrous ; 

 disk nearly flat, with three distinct keels; transverse impressed lines slight; 

 fore border nearly straight; sides and hind border rounded. Prosternal 

 spine whitish, stout, about twice as broad as thick, not decreasing towards 

 its tip, which is flat. Abdomen luleous. Hind femora as long as the 

 abdomen, luteous except on the outer side; hind tibiae red, somewhat 

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

 cinereous, rather shorter than the body; veins in the disk mostly brown ; 

 five spots in the disk and space along the costa with whitish veins. Hind 

 wings pellucid ; veins white, black towards the tips. Length of the body 

 8 lines ; of the wings 13 lines, 

 a. S. Africa. From Dr. Krauss' collection. 



49. CALOPTENUS STRENUUS. 



Fcem. Testaceus, robustus ; caput et prothorax scabra ; caput breve, vertice 

 postico lcevi,fastigio subhexagonali ; prothorax breviusculus, margine 

 postico valde rotundalo ; prosterni spina robusta, cornea, longiuscula, 

 subcompressa ; femora postica abdomini cequilonga ; alee anticts 

 corpori cequilongce, apices versus pallide cinereae, costa basi rotundata. 



Female. Testaceous, stout. Head smooth, short ; tip of the vertex 

 scabrous, subhexagonal, slightly transverse; front scabrous; keels well 

 defined ; inner keels parallel ; outer keels diverging towards the face. 

 Eyes ferruginous, elliptical. Prothorax scabrous, rather short, with a slight 

 dorsal keel and with no lateral keels; transverse impressed lines distinct; 

 fore border and sides very slightly rounded ; hind border much rounded. 

 Prosternal spine stout, conical, rather long, slightly compressed. Hind 

 femora as long as the abdomen ; hind tibia3 rather shorter than the 

 hind femora, their spines with black lips. Fore wings as long as the body, 



