436 



SILUKID^E. 



distance from rayed dorsal. Anal III-IV 8-9, obtusely pointed in front. 

 Pectoral spine a little longer than dorsal, rather strongly serrated on 

 outer border, very strongly on inner. Ventral not reaching anal. 

 Caudal deeply forked, upper lobe the longer. Caudal peduncle a little 

 longer than deep. Pale brown, blotched or mottled with darker; 

 ventral and anal fins dark, dorsal and caudal lighter, spotted with dark 

 brown ; young with a light streak on each side of the snout, and regular 

 black cross-bars on the dorsal, anal, and caudal fins. 



Total length 120 millim. 



Old Calabar and Lower Niger. 



Fisr. 327 



1. Tv 



ypp. 



Smwdontis robbianus 



Type. 



Jkorotiong, Old Calabar E. 



2-6. To-. 



Oguta, Low. Niger. 



7-9. Yg. 



Abo, 



10. Yg. 



Niger Delta. 



Dr. A. Bobb (C.) ; 



Dr. J. A. Smith (P.). 

 Dr. W. J. Ansorge (C). 



Mr. J. Paul Arnold (P.). 



29. SYNODONTiS HAUGI. 

 Synodontis guttalus (non Griinth. 1865), Giinth, Ann. & Mag. N. H. (3) xx. 1867, 



p. 112 ; Vaill. N. Arch. Mus. (3) viii. 1896, p. 140 (part.). 

 Synodontis hawji, Pellegr. Bull. Mus. Paris, 1906, p. 470, and Bull. Soc. Pliilom. 



(9) ix. 1907, p. 31, pi. i. fig. 3. 



