BLATTARI^. 77 



cinctu.i, margine pnafico producto ; abdomen lutetim apice dhcoque 

 ventridi nigris ; pedes picei, crassi, femoribus apice fiavescenlibus ; 

 alee antice macula discoidali anlemedia muculaque cosiali pallide 

 Jlavis ; ala posticcB fuscescenle cinerece, fuscn late marginata, 



Male. Black, broad, elliptical, smooth, slightly shining. Head 

 extending very little beyond the proihorax, with a luteous band on the 

 vertex and another on the fare border. Eyes piceous, very wide apart. 

 Antennae slender, very much shorter than the body, with a broad luteous 

 band near the base and another near the tips. Prothorax with a luteous 

 narrow entire margin; sides and hind border rounded, the latter prolonged. 

 Mesothoraxaiid meta thorax luteous. Abdomen luteous; tip black, excavated; 

 under side with a black disk. Cerci luteous. Le^s piceous, very stout ; 

 femora pale yellowish at the lips. Wings extending beyond the abdomen ; 

 transverse sectors whitish. Fore wings coriaceous, piceous and semi- 

 coriaceous abotit the hind border and towards the lips ; a pale luteous 

 discoidal spot before the middle, aud a pale luteous costal spot at much 

 beyond the middle; these spots appear blackish when exposed to the light. 

 Hind wings brownish cinereous, broadly bordered with brown ; veins 

 black. Length of the body 5 lines; the wings 12 lines. 



It may be considerd as the type of a new genus. 



a. Sierra Leone. Presented by the Rev. D. F. Morgan. 



Genus 6. PSEUDOMOPS. 



Pseudoraops, Serv. Rev. 15; Orlh 115. BrulU. Perty — Thyrsocera, 

 Burm, Handb. Ent. ii. AQS—Sauss. Hist Nat. Mex. iii. 119. 



1. PsEUDOMOPS OBLONGATA. 



Deg. Ins. iii. 541, pi. 44, f. 11. 12 — Blatta oblongata, Linn. Syat. Nat. 

 ii. 689. Fabr. Ent. Syat. ii. 11. Oliv. Enc. iv. 310.— Pseudomops 

 oblongata, 5err. Rev. 15; Hist. Orth. 115 — Thyrsocera oblongata, 

 Burm. Handb. Ent. ii. 499. 



Surinam. 



2. P8EUDOMOP3 MeXIOANA. 



Thvrsocera Mexicana, Sams. Rev. Zool. xiv. 168; Hist. Nat. Mex. iii. 

 122. 



a. Orizaba. From M. Salle's collection. 



3. Pseudomops dubia. 

 Thyrsocera dubia, Sauss. Rev. Zool. xiv. 168 ; Hist. Nat. Mex. iii. 123. 

 Brazil. 



4. Pseudomops Sallei. 

 Thyrsocera Sallei, Sauss. Rev. Zool. xiv. 168; Hist. Nat. Mex. iii. 123. 



Var. Nigra, gracilis ; antennee luteo fasciato', dimidio basali incrassato ; 

 proihorax pallide luleus, macula discoidali rufa strigam rufam in- 

 cludenle, lulcribus fere hyalinis, margine postico vix rotundato ; venter 



