AORIDID^E. 685 



20. CALOPTENUS SEBAPIS. 

 Calliptamus Serapis, Serv. Hist. Orth. 689. 

 Egypt. 



Var ? Mas. Ferrugineus, robustus ; fastigium longum, angustum, de- 

 pressum, sublineare ; prothorax subtiliter scaber, disco subtricarinato 

 fere piano ; prosterni spina longa, robusta, subacuta ; femora postica 

 latissima, abdomine paullo breviora, extus canescentia, vitta intus 

 nigra rufescente marginata ; tibia posticce testacece, intus rufce ; alee 

 anticce cinerece, abdomini <xquilongce y fasciis paucis nigris postmediis 

 interrupts indeterminatis. 



Male. Ferruginous, stout. Head smooth, with a hoary tinge ; tip of 

 the vertex narrow, elongated, nearly linear, much depressed ; front very 

 thinly punctured ; keels very slight, diverging a little towards the face. 

 Eyes ferruginous, nearly elliptical, nearly straight in front, much rounded 

 on the hind side. Prothorax finely scabrous; disk nearly flat, mottled 

 with ferruginous in the fore part, with three very slight keels, and with 

 slight transverse impressed lines; fore border hardly rounded; sides 

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

 long, slightly acute. Hind femora very broad, a little shorter than the 

 abdomen, with a hoary tinge on the outer side, and with a black reddish- 

 bordered stripe on the inner side; hind tibia? testaceous, red on the inner 

 side, rather shorter than the hind femora, their spines with black tips. 

 Fore wings cinereous, as long as the abdomen, with a few more or less 

 interrupted and irregular black bands towards the tips ; veins tawny. 

 Hind wings with black veins. Length of the body 15 lines; expansion of 

 the fore wings 24 lines. 



Mount Sinai. In Mr. Lord's collection. 



21. CALOPTENUS SIMILIS. 



similis, Brun. Verh. Zool. Bot. Gesch. Wien. xi. 224. Heteracris ? 

 Egypt, Syria. 



22. CALOPTENUS TESTACEUS. . 



Mas. Pallide testaceus, robustus , fastigium hexagonale ; antenncs 

 nonnunquam apice ferruginece ; prothorax subtiliter scaber, postice 

 sublatescens, disco subtricarinato fere piano ; prosterni spina longa, 

 crassa, apice rotundata; femora postica crassa, abdomini cequilonga ; 

 tibia posticce pallide flavce, basi testacece ; alts anticte pallide cinerea^ 

 abdomini aquilonyce. 



Male. Pale testaceous, stout. Head smooth; tip of the vertex 

 depressed, hexagonal; front thinly punctured, with four slightly defined 

 keels which diverge towards the face. Eyes tawny, elongate-elliptical, 

 with some brownish lines, straight on the fore side, rounded on the hind 

 side. Antennae sometimes ferruginous towards the tips. Prothorax finely 

 scabrous, slightly widening hindward ; disk nearly flat, with three very 



