Genera and Species of Blattldce. 169 



3. Lateral bands of pronotum naiTow, 



no pores in pronotal channel yihbicolHs, StSl. 



3'. Lateral bands of pronotum broader, Tvaal.) 



two large pores in pronotal channel. palliccyrnis,\i\rhy. (Trans- 

 2'. Pronotum as long as broad or longer 

 than broad. 

 3. Lateral bands of pronotum very [Zambesi, Port. E.Africa.) 

 broad, anterior margin reflected . . jalUcy Gig.-Tos. (Upper 

 3'. Lateral bands narrower. 



4. Lateral bands closely adpressed to 



disk of pronotum cajmcina, Gerat. 



4'. Lateral bands not closely adpressed 

 to disk of pronotum. 

 5. Lower border of lateral bands [desia.) 



not dentate marshalli, sp. n. ("Rho- 



5'. Lower border of lateral bands [Africa.) 



dentate scahricollis, Gerst. (West 



Species of dviibtful position. 

 Peri.spJt(en(i fusca, Barm., and P. gracilis, Burm. 



1, Cyrtotria latipennis, Kirbj. (PI. X. fig. 21.) 



ThysanohUdta latipennis, Kirby, Ann. & Mag. Nat. Hist. (7) xii. p. 380 

 (1903). 



The following may be added to the original description: — 



^ . Eyes touching on vertex of head. Palpi, margin of 

 labrum, ocelli, and ba.se of antennae testaceous. Head 

 castaneous, punctate. Pronotum coarsely reticulate-punctate, 

 with some smooth interspaces ; lateral bands rather narrow, 

 not closely adpressed to disk, channel wide and shallow ; 

 three large crescentic pores on each side of the disk ; poste 

 rior margin slightly dentate, anterior margin slightly re- 

 flected ; disk anteriorly carinate. 



Length of body 20*8 mm. ; length of tegmina 21 mm, ; 

 pronotum (J"lx 6 mm. 



British E. Africa. 



Type in the British Museum. 



2. Cyrtotria matra, Stal. (PI. X. fig. 11.) 



Ischnoptern macro, StSl, CEfv. Vet.-Akad. Fijrh. xiii. p. 165 (1856). 

 Derocalymma {Cyrtoti-ia) macro, StSl, /. c. xxviii. p. 380 (1871). 



Descriplion of type. — ^ . Head castaneous ; eyes close 

 together, their distance apart equal to the breadth of the first 

 antennal joint. Pronotum reticulate-punctate, with a long 

 erect scattered pubescence, pale testaceous in colour. Lateral 

 bands of pronotum not very broad, closely applied to tho disk, 

 channel very narrow. Tegmiua hyaline, castaneous at base. 



