Mr. R. Shelford's Studies of the Blattidae. 323 



anterior part of wings suffused with castaneous, ulnar vein with 11 

 rami ; supra-anal lamina sub-bilobate ; sub-genital lamina semi- 

 orbicular, ample. 



(J. Total length 20 mm. ; length of body 17 mm. ; length of 

 tegmina 16 mm. ; pronotum 6 mm. x 8 mm. 



9 . Total length 27 mm. ; length of body 24 mm. ; length of 

 tegmina 22 mm. ; pronotum 8'5 mm, x 10 mm. 



Senegambia (Paris Mus., type oi fervida); Gambia 

 (British Mus., type of lata) ; Togo (Berlin Mus.) ; Benin 

 (Oxford Mus.) ; Gaboon (British Mus., type of spzi?-caz;«); 

 Congo Free State (Brussels Mus.). 



19. G. aestuans, Sauss. 



Fanchlora aestuans, Saussure, Mem. Soc. Sci. Phys. 

 Nat. Geneve, xvii, p. 159, PI. I, f. 20 (1864). 



^ . Differs from fervida by the smaller distance apart of the eyes, 

 the strongly striate vertex, the more heavily marked frons, the 

 piceous antennae, the concolorous tegmina without macula or fascia, 

 the supra-anal lamina with slightly emarginate apex. 



Length of body 17 '3 mm. ; length of tegmina 20 mm.; pronotum 

 7 mm. X 9 mm. 



Senegal (Geneva Mus., type). 



20. G. caffrontm, Stal. 



Panchlora caffrorum, Stal, Oefv. Vet.-Akad. Fcirh, xiii, 



p. 167 (1856). 

 , E'pilam'pra conspicua, Walker, Cat. Blatt. Brit. Mus., 



p. 67 (1868). 

 Panchlora scTi]3ta, Walker, op. cit., p. 183 (1868). 

 Gyna fervida, Bormans, Ann. Soc. ent. Belg., xxv, p. 21, 



PI. I, f. B. (1881). 

 Gyna stridulans, Karny, Denkschr. med.-nat. Ges. 



Jena, xiii, p. 382, PI. XXI, f. 28, PI. XXII, fif. 29-32 



(1908). 



To be distinguished from G. macidipennis by the eyes 

 being nearly 1 mm. apart in the $\ the vertex is striate 

 and the pronotum is usually heavily marked. Dr. Karny 

 has kindly compared a specimen of caffrorum with his 

 species and informs me that they are practically identical. 



Natal (Stockholm Mus., type of caffrorum) ; " South 



