603 



c. Hind tibiae testaceous. - - iusignis. 



B. Fore wings hardly spotted. 



a. Hind tibiae red. - - ducalis. 



b. Hind tibiae not red. 



* Sides of the prothorax not pale. - - strangulata. 



** Sides of the prothorax pale. 



t Prosternal spine not transverse. - - apta. 



ft Prosternal spine transverse - - - straminea. 



17. HETERACRIS ILLUSTRIS. 



Foem. Sordide testacea ; vertex et prothorax villa lala fusca vittisgue 

 duabus pallide luteis ; caput glauco listrigatum ; frons utrinque sub- 

 carinatus ; prothoracis latera fusco subnebulosa ; prosterni spina 

 pallide testacea, arcuaia, obliqua, mesosternum fere atlingens ; tibice 

 posticce purpurece, spinis albis a pice nigris ; alee anticce pallide 

 teslaceoe, nigro gullalce ; alee posticce diaphance, venis nigris basi 

 cieruleis. 



Female. Dingy testaceous. Head and prothorax with a broad brown 

 middle stripe and with a bright pale luteous stripe on each side. Head 

 thinly punctured ; vertex with a slight keel ; fore part depressed, with two 

 broad shallow oblique ridges, which are connected and form a broader 

 ridge on the front; the latter has a slight keel on each side ; a deep glaucous 

 streak proceeding from each eye to the mouth. Eyes ferruginous, elongate- 

 elliptical. Prothorax scabrous, slightly clouded with brown on each side; 

 the usual four transverse impressed lines; disk flat, with three slight keels; 

 fore border and hind border slightly rounded ; sides hardly undulating. 

 Prosternal spine pale testaceous, stout, curved, oblique, extending nearly to 

 the fore border of the mesosternum. Hind femora longer than the abdo- 

 men. Hind tibise purple, a little shorter than the hind femora ; spines 

 white, with black tips. Fore wings pale testaceous, shorter than the body, 

 with several black dots in the disk. Hind wings pellucid ; veins black, 

 pale blue towards the base and along the interior border. Length of the 

 body 30 lines ; expansion of the fore wings 58 lines. 

 a. S. Hindostan. Presented by M. J. Walhouse, Esq. 



18. HETERACRIS ELEGANS. 



Fcem. Flava ; vertex ferrugineo univittatus, antice promimdus ; frons 

 ferrvgineo trivittata ; antenna apice picece ; prothorax sublricarinalus, 

 villa lala ferrnginea, lateribus pallide ferrugineis Jlavo marginatis et 

 quadrimacvlatis ; prosterni spina robusta, recta, mesosternum non 

 attingens ; femora postica nigro bistrigala ; tibice posticce glaucce, 

 spinis albis apice nigris ; alee anticce pallide cinerece,flavo bistrigatce, 

 guttis plurimis fuscis nigro venosis ; alee posticce diaphanct, venis 

 pallidissime viridibus. 



Female. Yellow. Head thinly punctured, with a broad pale ferru- 

 ginous stripe that has a darker border, front with three similar stripes; 

 fore part of the vertex prominent. Eyes ferruginous, elliptical. Antennae 

 piceous towards the tips. Prothorax scabrous, with three very slight keels, 

 with the usual four transverse impressed lines, and with a broad ferru- 

 ginous stripe ; sides pale ferruginous, yellow-bordered, each with four 



