164 ADDENDA, VOL. I. 



26-27. Ad. & hgr. Loango 11. at N'Kutu. Dr. W. J. Ansorge (C). 



28. Ad. Luali It. at Buco Zau. 



29. Hgr. „ Lundo. 

 30-31. Ad. Luculla R. 



32. Ad. Lucola R. near Oabinda. 



33. Ad. Akonolinga, Nyong R., G. L. Bates, Esq. (C). 



S. Cameroon. 



4. GNATHONEMUS PETERSII, Gthr. 

 Steind. Denksclir. Ak. Wien, Ixxxix. 1913, p. 5. 

 Add:— 



11-13. Ad. Bumba R. at Assobam, G. L. Bates, Esq. (C). 



S. Cameroon. 

 11-16. Ad. Keva R., Lower Niger. H. J. Bowker-Booker, 



Esq. (P.). 

 17-18, 19. Hgr. & yg. Sankuru R. at Kondue, M. E. Luja (C.) ; Lux- 



Kasai. emburg Museum (P.) . 



Add :— 



5. GNATHONEMUS LONGIBARBIS, Hilg. 



8-10. Hgr. Victoria Nile, between L. Kioja F. H. Melland, Esq. 



and Murchison Falls. (P-)- 



7. GNATHONEMUS LEOPOLDIANUS, Blgr. 

 Steind. Denksclir. Ak. "Wien, Ixxxix. 1913, p. 6. 



12. GNATHONEMUS MONTEIRI, Gtbr. 

 Steind. Denkscbr. Ak. "Wien, Ixxxix. 1913, p. 7. 



Add:— 



13. GNATHONEMUS MENTO, Blgr. 



2. Ad. Cnluii R. above Bafata, Portng. Dr. W. J. Ansorge (C). 



Guinea. 



3. Ad. Gam Bessar, Corbal R., Portug. „ 



Guinea. 



4. Hgr. N. Sherbo district, Sierra Leone. N.W. Thomas, Esq. (P.). 



13 a. GNATHONEMUS THOMASI, sp. n. 

 Depth of body 3| times in total length, length of head 5 times. 

 Head as long as deep, with strongly curved upper profile ; snout \ length 

 of head ; a strong mental swelling ; teeth notched, 5 in upper jaw, 



