ACRIDID.E. 515 



36. OPOMALA 



Fcem. Pallidf. lutea ; caput et prothorax sublililer punctata, vittis 

 duabus latis nigricanlibus luteo notatis ; caput antice longi-conicum, 

 fronts nigricante quadrisubcarinata ; oculi fulvi, elliptici, obliqui, 

 subprominuli, supra approximati ; antenna fulvce, basi subdilatatce ; 

 prothorax antice subtruncatus, postice subrotundatus ; prosternum 

 obtuse bispinosum ; abdominis segmenta ferrugineo fasciata ; femora 

 fusco vittata ; femora postica intus rufa ; tibia posticce rufa ; alee 

 antica fusca, postice lulescentes ; alee posticce diaphana^ luteo 

 venosa. 



Female. Pale luteous, slender, nearly cylindrical. Head and pro- 

 thorax finely punctured, with two broad blackish stripes which include 

 some pale luleous marks and are continued along the sides of the hinder 

 pectus. Head in front of the eyes forming an elongated cone, which is 

 much excavated on each side and has a small excavation beneath between 

 the antenna?; front mostly blackish, with four slight elevated lines. 

 Eyes fawn-colour, elliptical, oblique, slightly prominent, approximate 

 above. Antennae tawny, lanceolate, much longer than the head and the 

 prothorax together; joints near the base slightly dilated. Prothorax with 

 three transverse impressed lines; fore border slightly truncated; hind 

 border slightly rounded. Prosternum with a protuberance which is armed 

 with two small obtuse teeth. Abdomen with a broad abbreviated ferru- 

 ginous band on each segment. Legs slender; femora striped with brown ; 

 hind femora bright red on the inner side ; four anterior tibia? with a few 

 very short and sleuder spines; hind tibia? red, shorter than the hind 

 femora, with two rows of stout black-tipped spines. Fore wings narrow, 

 brown, pale luteous along the hind border, extending to the tip of the abdo- 

 men. Hind wings pellucid; veins pale luteous, mostly black towards the 

 tips. Length of the body 19^ lines ; expansion of the fore wings 30 

 lines. 



a. Australia. Presented by the Haslar Hospital. 



37. OPOMALA BREVITIBIA. 



Mas. Fulva ; caput longi-conicum, prothorace multo brevius, fronte 

 subrugulosa carinis intermediis undulatis interruptis ; oculi fusi- 

 formes, obliqui, sulprominuli ; antenna picece, subdilatatce, capite et 

 prothorace ad unum multo longiores ; prothorax aspere punctatus, 

 unicarinatus, antice et postice rotundatus ; prosternum unidentatum ; 

 tibia postica testacea, breviuscula ; alee aquilonga ; alee posticce 

 cinerecc, nigro venosa. 



Male. Tawny, slender. Head elongate-conical, smooth, much 

 shorter above than the prothorax; part in front of the eyes elongate- 

 conical, much longer than the part behind them, keeled beneath ; front 

 slightly rugulose, with four slight keels, of which the middle pair are undu- 

 lating and interrupted. Eyes piceous, fusiform, oblique, slightly promi- 

 nent. Antennae piceous, lanceolate, much longer than the head and the 

 prothorax together; joiuts from the third to the tenth dilated. Prothorax 

 roughly punctured, with three slight transverse impressed lines and with a 



