662 CATALOGUE OF 



Male. Pale testaceous. Eyes lurid. Antennae piceous, testaceous 

 at llie base. Abdomen with a blackish lanceolate dorsal stripe. Spines of 

 the hind tibiae with black lips; hind tarsi pale red. Fore wings pellucid 

 for half the length from the tips ; veins pale. Hind wings pellucid ; veins 

 black, blue towards the base and along the interior border. Length of the 

 body 13 lines; expansion of the fore wings 24 lines. 



a. Santarem. From Mr. Bates' collection, 



2. Stenacris concolor. 



Mas. Teslacen ; caput longiusculum ; antenna picece; prosterni spina 

 crassa, ubliqua ; alee anlica apices versus diaphance. 



Male. Testaceous, shining, very slender, nearly cylindrical. Head 

 Fmoolh, somewhat elongate; front much retracted, with four distinct 

 keels; inner keels parallel, approximate; outer keels diverging towards the 

 face. Eyes tawny, elliptical, slightly prominent. Antennae piceous. Pro- 

 thorax in structure like that of S. lanceolata. Prosternal spine thick, oblique. 

 Abdomen compressed. Hind femora as long as the abdomen ; hind tibiae 

 a little shoiter than the hind femora, their spines with black tips. Fore 

 wings pellucid towards the tips; veins pale. Hind wings pellucid; veins 

 blackish. Length of the body 12 lines; expansion of the fore wings 

 19 lines. 



It does not differ from S. lanceolata, except that the head is rather 

 shorter. 



rt. Para. 



Group 2. 



Corpus gracillimum, fere cylindricum. Caput productum ; fastigiuni 

 conicum, planum ; fions quadricarinata, valde retracta. Oculi obliqui, non 

 prominuli. Antennae graciles, subplanae, capita prothoraceque ad unum 

 paullo longiores. Prothorax subtiliter scaber, vix carinatus, postice vix 

 latescens, marginibus rotundatis, Prosterni spina gracilis, subcompressa, 

 subobliqua, apice rotundata. Pedes longi, graciles, Alae anticae peran- 

 gusiae, corpori aequilongae. 



Body very slender, nearly cylindrical. Head smooth, elongate ; tip of 

 the vertex flat, prominent, conical; front much retracted; keels slight; 

 inner keels converging near the face; outer keels diverging. Eyes ellip- 

 tical, oblique, not prominent. Antennae slender, slightly flattened, a little 

 longer than the head and the prothorax together. Prothorax finely 

 scabrous, hardly widening hindward ; keel hardly perceptible ; transverse 

 impressed lines very slight; fore border and hind part of each side slightly 

 rounded ; hind border more rounded. Prosternal spine slender, slightly 

 compressed and oblique, rounded at the tip. Legs long, slender; spines of 

 the hind tibiae short. Fore wings very narrow, as long as the body. 



.3. Stenacris chlohizans. 



Mas. Teslaceo-viridis ; caput el prothorax albido-viridi bivittata ; 

 antennce fuhce ; ala anlicce diaphanw, viridi venosa. 



