•AO 



The West African species of Stylopyga may be distinguished 

 as follows: 



1. Large, castaneous species . S. manca, Gerst. (Cameroons), 



(Taf. 3, Fig. 4) 

 1'. Smaller, piceous species, 



2. Supra-anal lamina (xf) pro- 

 duced to a point . . . S. anthracina. Gerst. (Cameroons), 



2'. Supra-anal lamina (xf) not 

 as above. 



3. Styles not bifurcate. . . S. spinulifera, Krauss (San Thome), 

 3'. Styles bifurcate, 



4. Supra-anal lamina {(^ and 9 ) 



without spinous angles . . S. nigerrima, sp. n. (Cameroons), 

 4'. Supra-anal lamina (cf and 9) 

 with spinous angles, 



5. Sub-genital lamina (cf) with 



apex cleft and tuberculate S. furcifera, sp. n. (Cameroons). 

 5'. Sub-genital lamina (cT) with 



ai)ex sinuate S. assimilis. sp. n. (Cameroons). 



P e r i ]) 1 a n e t a a e t h i o p i c a , Sauss. is a species of P s e u d o d e r o - 

 ])elti8 and is not species of Stylopyga as recently suggested. 



Genus Periplaneta, Burm. 



Periplaneta americana, L. 



2 cf'cfi 1 9' Pihundi, Cameroons (coll. J. Weiler and 0. Rau) 

 and Posadas. Argentine (coll. K. Seyd 1902). 



Periplaneta australasiae, Fab. 



Several examples from liibundi, Cameroons (coll. J. Weiler and 

 0. Rau 1907); Palembang, Sumatra (coll. A. Fuchs 1902); Java 



(coll. Fritze), 



Periplaneta pallipalpis, Serv. 



1 c/\ Ceylon (coll. P'reudenber g). 

 Periplaneta funebris, Shelf. 



1 9i Cameroons (coll. F. Fuchs 1907). 



