R. Shelford, New Blattidae. 



127 



einarginate in the middle. Cerci short , not extending beyond 

 the supra-anal lamina. Legs piceous. 



Total length 48 mm ; length of tegmina 40 mm ; pronotum 

 10,5 mm X 15,5 mm. 



1 $, Mpala, Tanganyika. 

 This is a very remarkable species on account of the rugosity 

 of the pronotum and abdomen and is most nearly allied to 

 N. thoracica Kirby. 



The following key may assist in the determination of the 

 species of Nauphoeta : 

 (10) 1. Pronotum with fuscous intra- 

 marginal vittae. 

 (9) 2. Total length exceeding 18 mm. 



(4) 3. Diso of pronotum with a de- cinerea Oliv. (Cosmopo- 

 finite castaneous or fusco- litan.) 



castaneous pattern. 

 . (3) 4. Diso, of pronotum unicolorous 

 or with obscure darker suf- 

 fusions. 

 (8) 5. Intramarginal vittae broad, 



not joined in front. 

 (7) 6. With marginal yellow vittae. 



(6) 7. Without marginal yellow vittae. elega 



(5) 

 (2) 



(1) 10. 



8. Vittae narrow, joined in front. 



9. Total length not exceeding 

 18 mm. 



Pronotum without fuscous 

 intra-marginal vittae. 



(20) 11. Pronotum testaceousorfulvous. 



(13) 12. Pronotum with two large con- 



fluent spots. 

 (12) 13. Pronotum not as above. 



(15) 14. Distance apart of eyes scarcely 



greater than length of first 

 antennal Joint. 



(14) 15. Eyes yery wide apart. 



(17) 16. Marginal area of tegmina very 

 broad, large species 



(16) 17. Marginal area of tegmina not 



very broad, smaller species. 



ßexivittäWlk. \frenata Gerst. 

 ? = discoidalis Sauss.] 

 (Cameroons, Congo.) 



ns sp. n. (Came- 

 roons.) 

 pulclira sp. n. (Ogowe.) 

 minuta sp. n. (Cameroons.) 



gestriana Sauss. 

 land.) 



(Galla- 



epilamproides sp . n. (Came- 

 roons, Ogowe.) 



testacea Br. = [pallescens 

 Kirby] (Cameroons, 

 San Thome.) 



