ACRIDID.E. 669 



oval. Antennae piceons. Prolhorax finely scabrous; l<eel extremely 

 slight; lateral keels defined; transverse impressed lines distinct; fore 

 border straight; sides slijjhtly rounded ; bind border rounded. Prosternal 

 spine thick, very pale yellow, not tapering to its tip, which is rounded. 

 Abdomen with a piceous lanceolate stripe, and on each side with a row of 

 transverse piceous spots. Legs tawny ; hind femora yellow, a little longer 

 than the abdomen, with a black stripe on the outer side and with three black 

 spots on the inner side ; hind tibiae somewhat shorter than the hind femora, 

 their spines with black tips. Fore wings cinereous, a liille shorter 

 than the body, with many black dots and points along the costa ; veins 

 tawny. Hind wings pellucid ; veins black, whitish at the base and along 

 the interior border. Length of the body 13 lines ; expansion of the fore 

 wings 24 lines. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



8. Heteraceis punctipennis. 



Foem. Testacea, gracilis; caput et prolhorax carina tenui viltinque 

 duabus latissimis piceis ; fasligium conicum ; frons scabra ; pro- 

 thorax sitblililer scaber ; proslerni spina longa, gracilis, subobliqua, 

 subacuta ; femora postica extus piceo villata ; tibicE posliccB nigrcE ; 

 alee anticee pallide cinerecB,fusco punctata, corpore bveviores. 



Female. Testaceous, slender. Head and prothorax with a slight 

 piceous keel and with two very broad piceous stripes. Head smooth ; tip 

 of the vertex conical, flat, with a slight middle keel ; front scabrous, with 

 four well-defined keels which diverge towards the face. Eyes ferruginous, 

 elliptical. Prothorax finely scabrous ; lateral keels very slight ; fore border 

 and hind border slightly rounded ; sides straight. Prosternal spine long, 

 slender, slightly oblique and acute. Hind femora as long as the abdomen, 

 with a piceous lanceolate stripe on the outer side; hind tibiae and hind 

 tarsi black, the former somewhat shorter than the hind femora. Fore wings 

 pale cinereous, rather shorter than the body, with several brown points 

 on the veins, which are testaceous. Hind wings pellucid ; veins black, pale 

 testaceous at the base and along the interior border. Length of the body 

 21 lines ; expansion of the fore wings 36 lines. 



a. Angola. Presented by J. J. Mouteiro, Esq. 



9. Heteracris annulifera. 



Mas. Testacea, gracilis; caput et prolhorax subcarinata, nigrirante 

 trilineata ; vertex cinereiis, fastigio brevi-conico ; prothoracis discus 

 ferrugineus ; prosterni spina pallide testacea, crassa, obliqua, non 

 altenuata ; tibice posticw virides, basi testacea; et nigra trifasciatee, 

 apice rosea;, spinis albis apice nigris ; alee anticcB cinerae, corpore 

 bveviores, guttis pturimis e venis nigris. 



Male. Testaceous, slender. Head and prothorax with a slight 

 blackish keel, and with two blackish lines which are united on the tip of 

 the vertex. Head smooth, cinereous between the lines; tip of the vertex 

 thinly punctured, depressed, short-conical ; front thinly punctured ; keels 



