ti62 CATALOGUE OF 



14. Heteracris? debilitata. 

 Acridiuin debililatura, Serv. Hist. Orth. 684. 

 Senegal. 



15. Heteracris?? arthritica. 

 Acridiuin arthriticum, Seri\ Hist. Orth. 685. 

 Cape. 



Madagascar. 



16. Heteracris humeralis. 



FcEin. Viridis, gracilis ; caput et prolhorax fusco late bivittata ; caput 

 vitta lanceolala fusca , fastigio transversa an lice rotvnda to ; antenncE 

 apices versus piceee ; prothorax suhtililer scaler, vix carinatus ; pro- 

 sterni spina albida, longiuscula, subobliqua, subacuta, sat gracilis; 

 femora postica lutea, apice picea ; tibice posticce basi piceie pallida 

 fusciatcB, spinis albidis apice nigris ; ala anticce pallide cinerea;^ 

 corpore breviores, vitta postica lanceolata pallide viridi, casta ba^i 

 dilatata. 



Female. Green, slender. Head and prothorax with two broad brown 

 stripes, which are interrupted by the eyes and are united on the tip of the 

 vertex. Head smooth, with a lanceolate brown stripe which extends 

 nearly to the tip of the vertex; the tip transverse, depressed, rounded in 

 front; front punctured; keels strongly marked; middle keels parallel; 

 outer keels diverging slightly towards the face. Eyes testaceous, oblique, 

 elliptical. Antennae piceous towards the tips. Prothorax finely scabrous; 

 keel very slight ; transverse impressed lines distinct ; fore border straight ; 

 sides and hind border rounded. Prosternal spine whitish, rather long and 

 slender, slightly oblique and acute. Hind femora luteous, rather longer 

 than the abdomen, piceous at the lips; hind tibiae a little shorter than the 

 hind femora, with a paler band near the base, which is piceous; spines 

 whitish, with black tips. Fore wings pale cinereous, rather shorter than 

 the body, with a pale green lanceolate stripe near the hind border ; costa 

 much dilated and rounded near the base ; veins tawny. Hind wings 

 pellucid ; veins black, pale yellow towards the base, and along the interior 

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

 26 lines. 



a. Madagascar. From Madame Ida Pfeiffer's collection. 



S. Asia. 



Group 1. 



A. Fore wings with well-defined spots. 



a. Hind tibice red. -..--- illustri-s. 



b. Hind libi.-e green. 



* Stripe of the prothorax moderately broad. - - elegans. 



** Stripe of the prothorax very broad. .. _ . rudis. 



