170 ADDENDA, Vol,. I. 



10. HYPEROPISUS, Gill. 



1. HYPEROPISUS BEBE, Lacop. 



Pc'llogr. Poiss. Bass. Tchad, p. 58, pi. iii. fig. 3 (1914). 



Erase II. tenuicauda from the synonymy, and add : — 



oO. Ad. Culiifi R. above Bafata, Portug. Dr. W. J. Ansorge (C). 



Guinea. 

 T)!. Ad. Geba R. at Bafata. 



1 a. HYPEROPISUS TENUICAUDA. 

 Pellogr. Bull. Mus. Paris, 1904, p. 312, and op. oil. p. 59, pi. iv. 



Distinguished by the more slender caudal peduncle with only IG 

 scales round it. 



Shari Eiver. — Type in Paris Museum. 



11. GYMNARCHUS, Guv. 



1. GYMNARGHUS NILOTICUS, Guv. 

 WWegv. Poiss. Bass. Tchad, p. Gl, pi. v. fig. 1 (1914). 



Fam. NOTOPTERID^. 

 1. NOTOPTERUS, Lacop. 



]. NOTOPTERUS AFER, Gthr. 

 Add :— 



1(;-19. Ilgr. it yg. Nanna Km, Liheiia. "\V. P. Lowe, Esq. (G.). 



20. llgr. Corhal R. at Tcbitote, Porhig. Dr. W. J. Ansorge (C.). 



Guinea. 



21. Ad. Geba R. at Bafata, Portug. 



Guinea. 

 22-23. Ilgr. N. Sherbo district, Sierra N. W. Thomas, Esq. (P.). 



Leone. 



2. XENOMYSTUS, Gthr. 

 1. XENOMYSTUS NIGRf. Gthr. 

 Steind. Denkschr. Ak. Wien, Ixxxix. 1913, p. 10. 



Add :— 

 20-21. Yg. Saukm-U U. at Konduc, Kasai. Isl. E. Luja (C.) ; Luxem- 



burg Museum (P.)- 

 22-24. Ad. lUigr. N. Sherbo district, Sierra N. W. Thomas, Esq. (P.). 

 Leone. 



