ACRIDID.E. 625 



s1ig;htly diverging towards the face. Eyes livid, elliptical. Prothorax 

 scabious, with distinctly marked transverse impressed lines ; fore border and 

 sides very slijjhtly rounded ; bind border rounded. Prosternal spine very 

 thick, not decreasing in thickness towards its tip, which is rounded. Hind 

 femora almost as long as the abdomen, blackish at the lips ; hind tibiae a 

 little shorter than the hind femora, their spines with black tips. Wings 

 dark cinereous. Fore wings nearly as long as the body ; veins ferruginous. 

 Hind wings with black veins. Length of the body 18 lines: expansion of 

 the fore wings 38 lines. 



a. E. Africa. Presented by Earl Russell. 



ACRIDIUM FINALE. 



Mas. Testaceum, gracile ; antennce nigrcE, basi fiilva; prolhorax 

 brevhisculus, dense punctatus, vix cariitatits, lineis transversis 

 impressis ex parte nigris ; prosterni spina longiuscula, apice 

 rolundala ; femora sublus nigra villala ; femora libiaque postica 

 apice nigra; tibia quatuor anteriores supra nigra:; ala antica: 

 albido venosce, corpore vix breviores ; alee postica apices versus nigri- 

 c antes. 



Male. Testaceous, slender. Head smooth; lip of the vertex 

 depressed, subhexagonal ; front roughly punctured, with four distinct 

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

 Eyes livid, oblique, slightly prominent. Anlecna; black, tawny towards 

 the base. Prothorax thickly punctured, raiher short; keel hardly 

 perceptible; transverse impressed lines very distinct, partly black; fore 

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

 spine thick, rather long, rounded at the tip. Femora striped with black 

 beneath; hind femora as long as the abdomen, black at the tips; four 

 anterior tibiae black above and at the tips; hind tibiaj a little shorter than 

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

 nearly as long as the body; veins whitish. Hind wings pellucid, blackish 

 and with black veins towards the tips and along the adjoining part of the 

 exterior border; veins elsewhere white. Length of ihe body 12 lines; 

 expansion of the fore wings 24 lines. 



a. Fantee. 



ACEIDIUM GENUALE. 



Foem. Testaceum, sat gracile ; caput nigricante quinque strigatum ; 

 antenna nigra, basi testacea ; prothorax subtiliter scaber, vix 

 carinatus, postice latescens, prosterni spina longa, robusta, subacuta ; 

 genua postica nigra ; ala antica cinerea, corpore pnullo breviores. 



Female. Testaceous, rather slender. Head finely punctured, with 

 five irregular blackish streaks, one on the vertex, two on each side 

 oblique between the eye and the hind border ; tip of the vertex depressed, 

 hexagonal; front largely punctured, with four well-defined keels; inner 

 keels parallel ; outer keels diverging towards the face. Eyes elongate-oval. 

 Antennae black, testaceous towards the base. Prothorax finely scabrous, 

 widening hindward, with a hardly perceptible keel and with four distinct 

 transverse impressed lines; fore border hardly rounded; sides slightly 

 rounded ; hind border much rounded. Prosternal spine stout, long. 



