BLATTARI^. 81 



posfico alhido valde rotundato ; segmenla pectoralia et ventralia albido 

 marginala ; cerci longi, subclavati ; pedes sat validi, femoribus basi 

 albis ; alee antica: striga basali albida inlerrupta ; alee posticce 

 cinerece, apice nigricanles, 



Male. Black, fusiform, smooth, shining. Head extendini!; very little 

 beyond the prolhorax. Eyes very wide apart. Antenna) incrassated and 

 pilose from the hase to the middle, beyond which there is a while band. 

 Prothorax luleous, narrower and truncated in front, slightly rounded and 

 reflexed on each side; a black band along the hind border, which is 

 whitish and much rounded. Pectoral and ventral segments with whitish 

 hind borders. Cerci long, subclavate. Legs rather stout ; femora at the 

 base and trochanters white ; femora with short spines. Wings extending 

 much beyond the abdomen. Fore wings with a whitish obliquely 

 interrupted streak along the basal part of the costa. Hind wings cinereous, 

 blackish towards the lips, black at the exterior part of the costa ; veins black. 

 Length of ihe body 4 lines ; of the wings 10 lines. 



The black band of the prothorax distinguishes it from R. laticornis. 



a. Para. From iMr. Wallace's collection. 



18. PsEUDOMOPS FEMORALIS. 



Mas. Nigra; anteniKB Itileo fa^ciatce, corpore paullo longiores, dimidio 

 basali incrassato ; prolhorax luteus, vitta nigra antice atlenuata et 

 o.bbreviata, margine postico valde rolxindalo ; pedes rufi., femoribtis 

 nigris ; alee nigricanles, abdomen longe superanles ; alee anlicce rufo 

 bistrigatee, costa basi teslacea. Var. (i. — Ala antica rufa, apice 

 margineque postico nigricantibus. 



Male. Black, fusiform, smooth, shining. Head extending very little 

 beyond the prothorax. Eyes red, rather wide apart. Antennee a little 

 longer than the body, incrassated and setose for nearly half the length 

 from the base ; middle part luteous, this hue gradually changing to blackish 

 towards the tips. Prothorax luteous, with a very large discoidal black spot 

 which widens hindward and extends to the truncated foie border ; sides 

 rounded; hind border much rounded. Legs red ; coxaj and femora black, 

 the latter with very slender spines. Wings blackish, extending much 

 beyond the abdomen. Fore wings with two broad dark red streaks ; one 

 subcostal and near the base ; the other in the exterior part of the disk ; 

 humeral area testaceous. Var. (3. — I'ore wings red, blackish towards the 

 tips and along the hind border, excepting the basal part of the latter; 

 humeral area pale testaceous. Length of the body 5 lines ; of the wings 

 12 lines. 



a. Rio Janeiro. Presented by the Rev. H. Clark. 



b. Constancia. Presented by the Rev. H. Clark. 



19. PsEUDOMOPS ANGUSTA. 



Mas. Lulea, gracilis, sublinearis ; caput nigrum ; palpi nigri, basi lutei ; 

 antennce luteo fasciatce, dimidio basali incrassato piloso ; prolhorax 

 Jlavus, macula antica fasciaque poslica nigris, laleribus subrejlexis, 

 margine postico valde rotundato; pectoris latera nigra; cerci 



