19g ADDENDA, VOL. I. 



width. Dorsal III 9-10, originating a little in front of base of ventral, 

 situated at equal distance from centre of eye and from root of caudal, 

 longest ray nearly as long as or a little shorter than head. Anal III 

 7-8. Pectoral f to | length of head, not reaching root of ventral. 

 Caudal forked, with pointed lobes. Caudal peduncle H times as long 

 as deep. Scales 40-45 ^, 4 to 4i between lateral line and ventral. 



Fig. 124. 



Nannocliarax ansorgii. 

 Type. X 11. 



Back straAV-colour, with numerous fine dark longitudinal lines ; a lateral 

 series of large black spots on the lateral line, usually confluent into a 

 broad band terminating on the caudal fin ; bases of dorsal, ventral, and 

 caudal fins pale orange. 

 Total length 43 millim. 

 Portuguese Guinea, Sierra Leone. 

 1-5. Types. Geba R. at Bafata. Dr. W. J. Ansorge (C). 



G-10. Types. Culufi R. 



11-13. Ad. Pujebun, Sierra Leone. N. W. Thomas, Esq. (P.). 



Distinguished from N. tmnia by the more posterior position of the 

 dorsal fin and the lower number of scales in the lateral line. 



9 a. NANNOCHARAX OGOENSIS. 

 Pellegr. Bull. Sec. Zool. France, xxxvi. 1911, p. 180. 



Depth of body equal to length of head, 3J times in total length. 

 Head much deeper than broad ; snout a little shorter than eye, which is 

 a little less than 3 times in length of head and a little exceeds inter- 

 orbital width. Dorsal III 14, originating a little in front of base of 

 ventral, longest rays about | length of head. Anal III 7. Pectoral 

 reaching root of ventral. Caudal forked, with pointed lobes. Caudal 



5- 



peduncle as long as deep. Scales 36 ^, 4| between lateral line and 



