264 Mr. R. Shelford's Studies of the Blattidse. 



4'. Lateral yellow borders inwardly 

 produced. 

 5. Legs not entirely yellow . . affinis, Burm. 

 5'. Legs entirely yellow. 



6. Lateral yellow borders of 

 pronotum strongly pro- 

 duced inwards .... angusta, Wlk. 

 6'. Lateral yellow borders of 

 pronotum less strongly 

 produced inwards . . . flampes, Burm. 

 3'. Lateral yellow borders of prono- 

 tum broad. 

 4. Yellow border of pronotum 

 nearly equally broad through- 

 out (jueriniana, Sss. 



4'. Yellow border of pronotum 

 narrowed anteriorly and 

 posteriorly. 



5. Of large size discicollis, Burm. 



5'. Smaller hnrn, milii. 



1'. Pronotum unicolorous. 



2. Pronotum red bicolor, mi hi. 



2'. Pronotum black or fuscous. 



3. Abdomen not orange in the male. 



4. Tegminawithout white streaks obscura, Sss. 

 4'. Tegmina with white streaks . cdhostriata, mihi. 

 3'. Abdomen orange in the male . magna, mihi. 



i>. Ceeci SPATULATE. 



Pronotum with broad yellow borders. 



2. Tegmina fuscous femoralis, Wlk. 



2'. Tegmina fulvous hrunneri, Sss. 



. Pronotum with narrow yellow borders 

 or none . 



2. Abdomen orange nigrita, Sss. 



2'. Abdomen black. 



3. Abdomen entirely black. 



4. No white lines on the tegmina . crinicornis, Bnrm. 

 4. Tegmina with white lines . . Inctuosa, Sss. 

 3'. Abdomen not entirely black. 



4. Abdomen rufous at base . . pniggari, Bol. 

 4', Abdomen not rufous at base. 



