Q-^i CATALOGUE OK 



** Prothorax with three keels. . - - - piiellaie. 



c. Hind wings blackish. . - - . - slipatuin. 



d. Hind wings not coloured. 



* Tip of the vertex not transverse, 

 f Legs pale. 



i Femora not striped. ----- adustum. 



ll Femora striped. 



§ Hind wings blackish at the tips. - - - finale. 



§§ Hind wings not blackish at the lips. - - genuale. 



f\ Legs black. ....-- furaidum. 



ACRIDIUM STIPATUM. 



Mas. Viride, sat gracile ; caput et prothorax nigro late univittata ; caput 

 breve, teslaceum, subscabrum, nigro bistrigatum ; antenna; atrcc, 

 capite longiores, basi apiceque testacece ; prothorax snbcarinalns, ex 

 parte testaceus, nigro biplagiatus,postice vix latescens ; proslerni spina 

 breviuscula, acuta, sat gracilis ; abdomen albido-viridc, ban nigri- 

 cans ; femora postica intus nigro biplagiata ; tibice postictc nigra;, 

 basi viridi fascials ; alee anticce cinerece, costa apiceque nigricanti- 

 bus ; alee postica nigricantes, 

 Male. Green, rather slender. Head and part of the prothorax testa- 

 ceous; a broad black stripe on each side between the eye and the third 

 transverse impressed line of the prothorax. Head short, slightly scabrous ; 

 two lanceolate black streaks on the hind part of the vertex; tip of the 

 vertex depressed, subhexagonal ; front erect; keels well defined; inner 

 keels slightly diverging towards the face; outer keels parallel. Eyes lurid, 

 large, elliptical, slif,'hlly prominent. Antennaj deep black, longer than the 

 head, testaceous at the base and at the tips. Prothorax hardly wider hind- 

 ward, with a very slight keel and with slight transverse impressed lines; 

 sides of the disk slightly slanting; a black patch on the outer side of each 

 stripe ; fore border hardly rounded ; sides and hind border rounded. Pro- 

 sternal spine acute, rather short and slender. Mesothorax and metathorax 

 black, with two testaceous patches on each side. Abdomen whitish green, 

 black at the base. Hind femora with black tips and with two black patches 

 on the inner side; hind tibia) black, with a green band near the base ; hind 

 tarsi black at the base. Fore wings cinereous, blackish towards the lips 

 and ailing the costa; veins green. Hind wings blackish, transparent; 

 veins black. Length of the body 8^ lines; expansion of the fore wings 

 16 lines. 

 a. Congo. Presented by Sir J. Richardson. 



ACRIDIUM ADUSTUM. 



F(cn). Ferriiginrum, vix carinalvm ; caput subscabrum; prolliornx 

 scaber ; prosterni spina incrassata, apice non attenuata ; femora 

 postica apice nigricantia ; ala saturate cinerece, corpore vix 

 breviores. 



Female. Ferruginous, hardly slender. Head and prothorax with an 

 extremely slight keel. Head slightly scabrous; tip of the vertex hexagonal ; 

 front with four i.lrongly-marked keels; inner keels parallel; outer keels 



