ACRIDID.E. 525 



flat, setaceous. Protlioiax scabious, witli three transverse impressed lines 

 and with three slio^ht keels, of which the pair are iiuleterniinate; twobrnad 

 oblique yellow snipes on each side ; hind pnrt elonofated and ;icute. Pio- 

 slernum with a stout erect acute spine. Lepjs stout; four anterior legs 

 l'eiru;;inous, their tibiae with two rows of minute spines beneath ; hind 

 femora with angular transverse ridges along the outer side, the inner lower 

 keel miiuitely dentate ; hind tiliiae with the spines on the inner side twice 

 the length of those on the outer side. Win^s rounded at the lips, a little 

 shorter than the abdomen. Fore wings with a broad green costal stripe. 

 Length of the body 13 lines ; expansion of the fore wings 18 lines. 



a. Bogota. From Mr. Stevens' collection. 



18. XlPHOCERA ELliGAXS. 



Mas. VirUUs ; caput et prolhornx alhido qiiadrivittata ; rnput antice 

 conicum ; aiileniue albidcc, selacrce, apice piceie ; prolhnrux amferte 

 et subtililer punclatw!, crista tuberculala, vittis interioribus nigri- 

 cante marginatis, vnirf/iite po.tticn prnducto peracitto ; prosternum 

 spina flexa obtnsa ; femora, posiica supra biserialim tuberculala, 

 subtus biseriatim spinulosa ; tibhe quatuor aiileriorp<; subtus 

 biseriatini spinnlofce ; alcE anlica; apice rotundalce, villa pnstica 

 albida tanceolafa abbreviata ; ales posticce pallide virides, 



Blale. Grass-green, slender. Head and prothorax with two whitish 

 stripes above on each side. Head smooth, conical in front of the eyes ; 

 front rather oblique, with four keels, the inner pair slightly diverging 

 towards the mouth. Eyes piceous, oblique, elimgate-elliptical, prominent. 

 AntenniE whitish, (lat, setaceous, not dilated, longer than the prolhorax, 

 piceous towards the ti|)s. Prothorax thickly and minutely punctured, with 

 a tuberculated crest which is slightly inierrupleii by the tiiree transverse 

 impressed lines; hind part much elongated, very acute; a tuberculated 

 blackish line along the outer side of each inner stripe. Prosternum with a 

 bent compressed obtuse spine. Hind femora vvith minute tubercles on the 

 two upper keels and minute spines on the two lower, keels; four anterior 

 tibiae with two rows of minute spines beneath; spines of the hind tibiae 

 with black tips, those on the inner side twice longer than those on the outer 

 side. Wings with rounded tips. P'ore wings with a whitish tapering stiipe 

 extendiiii,^ along the hind border for more than half the length from the 

 base. Hind wings diaphanous, rather shorter, tinged with pale green ; 

 veins pale green. Length of the body 35 lines ; expansion of the fore 

 wings 21 lines. 



a. British Guiana. Presented by Sir R. Schomburgck. 

 6. Para. Presented by R. Graham, Esq. 



19. XlPHOCERA AZURKIPKXNIS. 



Xipbicera azureipennis, Serv. Hist. Orth. 616, pi. 14, f. 4. 

 Java. 



