628 CATALOGUE OF 



Male and female. Tawny, stout. Head smooth, whitish hetween the 

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

 vertex ; tip 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. Prothorax scabrous, sometimes with 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 luteous 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. Far. /3. Markings of the fore wings hardly perceptible. 

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

 2428 lines ; expansion of the fore wings 5266 lines. 



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



f 



ACRIDIUM SlNENSE. 



F3m. Testaceum, gracile ; vestigium transversum, subarcuatum ; pro- 

 thorax subtiliter punctatus,fere cylindricus, vix carinatus ; prosterni 

 spina transversa, subacuta ; alee anticce diaphance, corpore breviores, 

 venis paUide 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. Prosternal 

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

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

 their spines 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. 



ACEIDIUM SATURATUM. 



Fosrn. Ferrugineum, gracile; fastigium fere rotundum ; prothorax sub- 

 tiliter scaber, vix carinatus, postice sublatescens, margine postico 

 producto subangulato ; prosterni spina robusta, subacuta ; femora 

 postica subtus nigra ; tibia posticee ruf<s; alee antica corpore paullo 

 breviores, lituris plurimis parvis e venis nigricante marginatis. 



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

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



