Genera and Species of Blattidse. 173 



8. Cyrtotria marskalli, sp. n. (PI. X. fig. 15.) 



(^ . Castaneous. Head piceous ; ocelli, basal joint of 

 anteiinre, and mouth-parts testaceous. Eyes approximated. 

 Fronotum as long as broad, punctate and rugulose ; anterior 

 margin scarcely reflected ; lateral bands narrow, not adpressed 

 to the disk of tlie pronotuni, posterior margin slightly 

 elevated, posterior angles not |)ro(lueed. Tegraina not ex- 

 ceeding body by much, apical half hyaline suffused with 

 castaneous ; veins fuscous. Wings hyaline, anterior part 

 suffused slightly with castaneous; ulnar vein with nine 

 branches, only three of which reach the apex of the wing. 

 Abdomen above testaceous at base, becoming castaneous 

 towards apex, beneath castaneous ; supra-anal lamina sub- 

 quadrate, angles rounded, subgenital lamina produced, irre- 

 gular, margined with testaceous ; one style. [Cerci muti- 

 lated.] Legs rufo-castaneous. 



? . Piceous, nitid, cribrately punctate. Head piceous, 

 mouth-parts castaneous. Pronotum with lateral bands 

 moderately broad, not adpressed to disk of pronotum, anterior 

 margin scarcely reflected, pronotal channel broad and shallow, 

 posterior angles ])roduced, disk anteriorly with a slight keel. 

 Abdomen posteriorly slightly ampliated. Coxa; piceous ; 

 femora and tibiye castaneous. 



(J. Total lengtii 26 mm.; length of body 22*5 mm.; 

 length of tegmiiia 20 mm. ; pronotum 5x5 mm. 

 $ . Total length 22 mm. ; pronotum Q x6 mm. 



Salisbury, Rliodesia {G. A. K. Marshall), '6 J ^ and 1 ? . 



Types ( (J and 2 ) in the Oxford Museum. 



Allied to C. poduriformis, but differs, inter alia, by its 

 much larger size. 



9. Cyrtotria nyascp, sp. n. (PI. X. fig. 17.) 



? . Piceous, nitid, narrow and cylindrical. Head casta- 

 neous, with very {t\\ punctures; eyes wide apart ; palpi and 

 margin of labrum testaceous. Thorax cribrate-punctate, 

 abduminal segments smooth. Pronotum rounded and very 

 convex; h\teral bands rather broad, closely adpressed to disk, 

 slightly produced backwards, anterior margin not reflected ; 

 disk not carinate. Supra-anal lamina rounded; posterior 

 margin reflected, punctate. Legs and cerci testaceous. 



Total length 15 mm. ; pronotum 4*2x4 ram. 



Nyasaland {A. Whyte). 



Type in the British Museum. 



