ACKIDID.E. 665 



sides liavdiy undulating. Piosteinal spine ratlier slender, oblique, slifihlly 

 curved, exlending nearly to the fore border of the rnesosternuin. Hind 

 femora lon};er than ihe abdomen and than the hind tibis ; spines of the 

 latter with black tips. Fore wings cinereous, a little shorter than the body, 

 with numerous small brown black-veined spots, which vary in size and 

 number; veins fawn-colour. Hind wings pellucid; veins black, whitish 

 towards the base and along the interior border. Length of the body 

 27 lines; expansion of the fore wings 48 lines, 



a. Buidwan. Presented by Major-Gen. Hardwicke. 



b. ? 



21. Heterackis ducalis. 



Mas. Nigra ; vertex el prolhorax Jiavo bivittati ; fades, palpi el prostcrni 

 spina sordide lulea ; anlenna lutea, apice rufescentes ; abdomen et 

 pedes lurida aul viridia ; tibia posticee rufip, spinis ulbis apice nigris ; 

 alcE anticce luridce, striga basali jiava ; alee postircc diaphanw, apices 

 versus pallide fuscescenles, venis niyris basi pallide glaucis. 



3fale. Bhick. Vertex and prothorax with two yellow stripes, which 

 are continued on each side of the front. Face, clypeus, palpi and pro- 

 sternal spine dingy luteous. Eyes piceous. Aulennte kiteous, reddish 

 towards the tips. Abdomen, hind femora and four anterior legs lurid or 

 green. Hind tibiae and hind tarsi bright red; spines of the hind tibia? 

 while, with black tips. Fore wings lurid, with a yellow streak proceeding 

 from ihe base ; veins lawny; longitudinal veins piceous towards the base. 

 Hind wings pellucid, pale brownish towards the tips; veins black, pale 

 glaucous towards the base. Length of the body 27 — 33 Hues; expansion 

 of the fore wings 56 — 60 lines. 

 a, b. Silhet. From Mr. Sowerby's collection, 

 f. ? Presented by Major-Gen. Hardwicke. 



22. Heteracris strangulata. 



Fcem. Testacea ; caput nigricante guadrilineolatum, antice angulalim 

 bicarinatujn, fronte quadricarinala ; antenna fulv(e ; prothorax 

 carinidis tribus ferrugineis ; proslerni spina arcuata, subcompressa, 

 subobiiqua, mesusternum attingens ; ala anticce cinerecB, guttis dis- 

 coidalibus obscurioribus indistinctis ; alee posticee diaphame, apice 

 luridce. 



Female. Testaceous. Head smooth, elongate, with four slight 

 interrupted blackish lines ; fore part of the vertex depressed, triangular, 

 bordered by two broad oblique, punctured, couuected ridges ; front roughly 

 punctured, with four well-defined ridges, the inner pair diverging slightly, 

 the outer pair diverging much. Eyes ferruginous, elliptical, oblique, with 

 brown lines. Antenna; tawny. Prothorax finely scabrous, with the u^^ual 

 four transverse impressed lines and with three slight ferruginous keels; 

 fore border and sides nearly straight; hind border hardly angular, not 

 elongated. Prosternal spine curved, slightly compressed and oblique, 

 exteuding to the fore border of the mesusternum. Hind femora as long as 

 the abdomen. Hind tibiie shorter than the hind femora; spines minute, 

 with black tips. Fore wings cinereous, as long us the body, with some 



