BLATTARl^. 79 



In Biirmeistei's description there is no notice of the antennae, and 

 the cerci are mentioned as bein<>- linear, 



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



9. PSEUDOMOPS AFFINI8. 



Thyrsocera affinis, Burm. Handb. Ent. ii. 499, 

 Surinam. 



Var ? Mas. Nigra, fusifnrmis ; anlennw corpore longiores, dimidio 

 basali incrassalo subclavato, dimidio apicati graciUimo basi albo ; 

 prothorax (ateribus tnargineque poslico albo lineatis ; pectoris el 

 venlris segmenta albo marginala ; alee antica cos/a basi albida. 



Male. Black, fusiform, smooth, shining-. Head extendinjj very little 

 beyond the prothorax. Eyes livid, wide apart. Antenna) lon^'er than the 

 body; basal half incrassated, siibclavate ; apical half very slender, while 

 towards the base. Prothorax narrower in front; fore border trunculed ; 

 a white line along the sides and along the bind border, which are black; 

 sides nearly straight; hind border much rounded. Pectoral and ventral 

 segments bordered with white. Cerci linear, setose, very long. Legs slender ; 

 coxa) with white borders ; trochanters white. Wings extending n)uch beyond 

 the abdomen, slightly hyaline. Fore wings with a whitish s-treak along the 

 basal part of the costa. Length of the body 4^ lines; of the wings II lines. 



St. Paul. From Mr. Bates' collection. 



10. PsEUDOMOPS FLAVIPES. 



Thyrsocera Havipes, Burm. Handb. Ent. ii. 499. 

 Rio Janeiro. 



Var. Mas. Lutea, longi-fusifmnis, glabra ; caput prothoracem paullo 

 svperanSy margine antico nigricante ; palpi nigri, arliculo lo luteo ; 

 anlennce nigra;, robuslte, dense setosa, corpore paullo breviores, fascia 

 subapicali alba lutissima ; prothorax albido-testacens, semihgalinus, 

 vitta lalissima fasciaque poslica nigris, margine poslico convexo ; 

 cerci longissimi ; yedes sat graciles ; alcB anticce fulvcB, abdomen 

 longissime superantes, costa basi albido-testacea ; alee postica 

 cinerece. 



Female. Luleous, elongate-fusiform, smooth, shining, paler beneath. 

 Head extending a little beyond the prothorax, blackish about the 

 mouth. Eyes black, wide apart. Palpi black; first joint pale luteous ; 

 third somewhat lanceolate. Antennae black, slout, densely setose, a little 

 shorter than the body, wiih a white subapical band occupying twelve 

 joints. Prothorax whitish testaceous, semihyaline, with a very broad 

 black stripe which near the hind border is dilated and forms a slightly 

 abbreviated band; sides slightly rounded and reflexed; hind border 

 rounded. Styles stout. Cerci very long. Legs rather slender ; tibiae 

 with piceous tips. Wings extending very much beyond the abdomen. 

 Fore wings tawny; costa whitish testaceous at the base; humeral Irnnk 



