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



269 



dominal ter- 

 gite not den- 

 tate. 

 12. Legspiceous. 

 12'. Legs cas- 

 taneous 

 ir. Posterior mar- 

 gin of 7tli ab- 

 dominal ter- 

 gite dentate . 



Species incertae sedis 



r. Not uniform piceous or castaneoixs. 

 2. Castaneoiis or piceous with lateral 

 flavo-testaceous or white borders, 

 abdomen not transversely banded. 

 3. Tegminal rudiments absent. 

 4. Pale lateral borders not extend- 

 ing beyond 2nd abdominal 

 tergites, or if extending so far 

 much narrowed. 

 5. Small species (15 mm.) . . 

 5'. Larger species. 



6. Disc of pronotum not varie- 

 gated with paler colour . 

 6'. Disc of pronotum varie- 

 gated with paler colour. 

 7. Coxae and femora castan- 

 eous ; supra-anal lamina 

 ( (J ) with two large spines 



at apex 



7'. Coxae and femora test- 

 aceous, supra-anal lamina 

 ( (^ ) without large spines 



at apex 



4'. Pale lateral borders extending 

 at least to 5th abdominal 

 tergite. 

 5. Terminal abdominal sternites 

 not armed with spines . . 

 5'. Terminal abdominal sternites 

 armed with spines . . . 

 3'. Tegminal rudiments present. 

 4. Pale lateral borders not ex- 

 tending on to abdomen or 



P. fjlahra, Walk. 

 P. conjuncta, Shelf. 



P. morosa, Shelf. 



P. provisionrdis, Tepp. 



P. inclusa. Walk. 



P. ulbomanjinata, Br. 



P. brunnea, Tepp. 



P. variecjata, Shelf. 



P. ohscuripes, Tepp. 

 P. spenceri, sp. n. 



