Mr. R. Shelford's Studies of the Blattidae. 315 



8'. Lyrate markings of 

 pronotum fused . 

 . Tegmina with rufes- 

 cent macula on 

 disc. 

 8. Supra-anal lamina 

 short, rounded . 

 8'. Supra-anal lamina 

 produced, sub- 

 quadrate, sub- 

 bilobate. 

 9. Antennae rufo- 

 fuscous or 



fuscous. Dis- 

 tance apart of 

 eyes equals 

 length of Lst 

 antennal joint. 

 10. Eufescent 



macula on 

 disc of teg- 

 mina large. 

 10'. Rufescent 



macula on 

 disc of teg- 

 mina small, 

 occasionally 

 absent . . 

 9'. Antennae piceous, 

 nitid. Distance 

 apart of eyes 

 greater than 

 length of 1st 

 autennal joint. 

 10. Anterior part 

 of wings 

 heavily suf- 

 fused with a 

 dark casta- 

 neous . . 

 10'. Anterior part 

 of wings not 

 as above 



G. aurivillii, Borg. 



G. lurida, Sauss. 



G. fervida, Sauss. 



G. aetola, sp. n. 



G. caffruncm, Stal. 



G. macidipennin, Schaum 



Doubtful species Q, colmi, Rochebr. 



