314 Mr. R. Shelford's Stitdies of the Blattidac. 



of head greater 



than thickness 



of 1st antennal 



joint. 



10. Larger species 



(30 ram. in 



length) . . 



10'. Smaller 



species (22- 



24 mm. in 



length) . . 



9'. Distance apart 



of eyes on vertex 



of head less than 



thickness of 1st 



antennal joint . 



7'. Tegmina immaculate. 



6'. Eyes wide a])art on 



verte.\. of liead. 



7. Smaller species (20 



mm. in length) . . 



8. Tegmina with rufes- 



cent macula on 



disc 



8'. Tegmina without 

 rufescent macula 

 on disc . . . 

 7'. Larger species (30 

 mm. in length). 

 8. Tegmina witli rufes- 

 cent macula on 



disc 



8'. Tegmina without 

 rufescent macula 

 on disc .... 



? ? 

 6. Eyes close together on 

 vertex of head . . . 

 G'. Eyes wide apart on 

 vertex of head. 

 7. Tegmina without rufes- 

 cent macula on disc. 

 8. Lyrate markings of 

 pronotum not 

 fused .... 



G. inacidipennis, Schaum. 



G. ka::nngulana, Gig.-Tos. 



G. htrkla, Sauss. 

 (t. incommoda, sp. n. 



G. fervida, Sauss. 

 G. aestuait,t>, Sauss. 



G. raffrorum, Stal. 

 G. auriiillii, Burg. 

 (t. hydlimi, sp. n. 



G. incu)iimoda, sp. n. 



