CHAEACINID.^. 195 



beneath ; a more or less distinct blackish band may be present along the 

 lateral line ; dorsal and caudal fins lemon-yellow, the former with a 

 black spot in the upper third of its anterior part. 



Total length 70 millim. 



Portuguese Guinea. 



1-G. Types. Geba R. at Bafata. Dr. W. J. Ansorge (C.) . 



7-10. Types. Culufi R. 



11-13. Type?. Pulong R. „ 



The smallest and most slender species of the genus, further remarkable 

 for the absence of scales on the adipose dorsal fin. 



17. NANNOCHARAX, Gthr. 



2. NANNOCHARAX PARVUS, Pellegr. 



Bouleng. Ann. Mas. Congo, Zool. ii. 3, p. 14 (1912). 



Add:— 



2-7. Ad. & hgr. L. Chiluango near Landana. Dr. W. J. Ansorge (C). 



8-9. Ad. Luali R. (Chiloango) at Buco Zau. „ 



10-13. Ad. & hgr. Luculla R., Cabinda. „ 



3. NANNOCHARAX FASCIATUS, Gth 



Add: 



12-13. Ad. N. Sherbo district, Sierra Leone. N. W. Thomas, Esq. (P.). 



14-15. Ad. Pujehun, Sierra Leone. „ 



4. NANNOCHARAX INTERMEDIUS, Blgr. 

 Add:— 



17-18. Ad. Ja R. at Bitye. G. L. Bates, Esq. (C). 



8. NANNOCHARAX TAENIA, Blgr. 

 Add :— 

 2. Ad. Dungu, Uelle. Capt. Hutereau (C). 



8 a. NANNOCHARAX ANSORGII. 

 Bouleng. Ann. & Mag. N. H. (8) vii. 1911, p. 374. 



Depth of body 3| to 4^ times in total length, length of head 3| to 3f 

 times. Head deeper than broad ; snout as long as or a little shorter 

 than eye, which is 3 to 3^ times in length of head and equals interorbital 



o2 



