ACRID1D;E. 003 



c. Hind tibiae testaceous. . - - - insiguis. 



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. 



f Prosternal spine not transverse. - - - - apla. 



f f Prosternal spine transverse - - - . slrarainea. 



17, Heteracris illustris. 



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

 duabus pallide luteis ; caput glauco histrigatum ; frons ulrinque sub- 

 carinalus ; prothoracis latera fusco subnebulosa ; prosterni spina 

 pallide teslacea, arcuala, obligtia, mesoslernum fere allingens ; libitB 

 poslictB purpurecp, spinis albis apice nigris ; alec anlicw pallide 

 teslacea, nigro gullatce ; alee poslica diaphance, venis nigris basi 

 cceruleis. 



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

 middle stripe and with a bright pale luleous 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 libife 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 68 lines. 

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



18. Heteracris elegans. 



Foem. Flava ; vertex ferrvgineo univiltalus, antice prominulus ; frons 

 ferrvgineo Irivillala ; antenn(t apice picece ; prothorax sublricarinalus, 

 villa lata ferriiginca, lateribtis pallide ferrugineis fiavo marginalis et 

 quadrimnculalis ; prosterni spina robmta, recta, mesoslernum non 

 allingens; femora postica nigro bislrigata ; tibice posticce glaucce, 

 spiuis albis apice nigris ; alee anticcB pallide cinerece,flavo bistrigalte, 

 gullis plurimis fuscis nigro veijosis ; alee posticce diaphana, venis 

 pa llidissime viridibus. 

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

 ginous stiii)e that has a darker border, front with three similar stripes; 

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

 piceous towards the lips. Prothorax suabvous, 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 



