028 CATALOGUE OF 



Male and female. Tawny, stout. Head stnoolli, whitish between the 

 eye and the hind border, and with a whitish mark on the bind part of the 

 vertex ; lip of ihe vertex depressed, hexagonal ; front largely punctured ; 

 keels strongly marked ; inner keels parallel ; outer keels diverging slightly 

 towards the face. Eyes elongate-elliptical, not oblique, with several brown 

 lines. Antennae black. Prolliorax scabrous, sometimes wiih several ferru- 

 ginous stripes, which are most numerous and most defined near the hind 

 border; hind part widening, with several minute pale testaceous pustules; 

 keel strongly marked, interrupted by the well-defined transverse impressed 

 lines; fore border rounded; sides slightly round ; hind border elongated, 

 rounded in the middle. Prostcrnal spine long, compressed, acute, some- 

 times white. Abdomen sometimes luleous beneath. Hind femora whitish, 

 a little longer than the abdomen, with two black lines on the outer side, 

 and with a red stripe on the inner side ; hind tibiae pale blue or purplish, 

 darker towards the tips, white beneath, a little shorter than the hind 

 femora; spines white, tips black. Fore wings pale cinereous, with many 

 very short black streaks along the borders of the veins; veins tawny or 

 whitish; a basal patch formed by blackish veins. Hind wings pellucid; 

 veins black. Var. /3.— Markings of the fore wings hardly perceptible, 

 Var. y. — Head and hind femora with no part whitish. Length of the body 

 24 — 28 lines ; expansion of the fore wings 52 — Q6 lines. 

 Mount Sinai and Wady Ferran, Arabia, In Mr. Lord's collection. 



ACRIDIUM SlNENSE. 



Ftem. Testaceum, gracile ; vestigium transversum, suharcvatum ; pro- 

 thnrax subtiliter punctalus,fere cylindricus, vix carinalus ; prosterni 

 spina Iransveisa, subacuta ; alee anticce diaphana, corpore breviores, 

 venis paU.ide testaceis. 



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

 verse, depressed, slightly arched ; front largely punctured, with four well- 

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

 the face. Eyes ferruginous, oval. Prothorax finely punctured, nearly 

 cylindrical ; keel extremely slight ; transverse impressed lines distinct ; 

 fore border and sides almost straight; hind border rounded, Proslernal 

 spine slightly acute, much broader than thick. Hind femora a little 

 longer than the abdomen ; hind tibiae a liille shorter than the hind femora, 

 their s|)incs with black tips. Wings pellucid ; veins pale testaceous. Fore 

 wings rather shorter than the body. Length of the body 13 lines ; expan- 

 sion of the fore wings 26 lines. 



a. China. Presented by G. T. Laye, Esq. 



ACKIDIUM SATURATUM. 



Fcem, Ferrugineum, gracile ; fasligium fere rotundum ; prothorax sub- 

 tiliter scaber, vix carinatus, poslice sublatescens, tnargine postico 

 producto subangulalo ; prosterni spitia robiista, subacuta ; femora 

 postica subtus nigra; tibia poslicce rufce ; alee anticce corpore paullo 

 breviores, lituris plurimis parvis e venis nigricante marginatis. 



Female. Ferrugiuous, slender. Head short, smooth, higher than the 

 prothorax; tip of the vertex flat, puuctured, nearly round; front thickly 



