374 



SILUEID^E. 



praemaxillary teeth in a small reniform group. Maxillary barbel ^ to f 

 length of head, inner mandibular | to |, outer mandibular as long as 

 head or a little shorter, reaching base of pectoral fin. Gill-rakers rather 

 long and widely set, 8 or 9 on lower part of anterior arch. Humeral 

 process narrow, pointed, smooth or striated. Dorsal I 7; spine mode- 

 rately strong, smooth or with very feeble retrorse serrse on anterior side 

 of distal third, ■§• to f length of head ; longest rays shorter than head. 

 Adipose dorsal 4 to 6 times as long as deep, as long as or much longer 

 than its distance from rayed dorsal, not extending to root of caudal. 

 Anal 11-12 (7-8 rays branched). Pectoral not reaching ventral; spine 

 strong, strongly serrated on inner side. Ventral not reaching anal. 



Fig. 239. 



Auchenoylanis ballayi. 

 Young, type of A. piddier (P. Z. S. 1902). 



Caudal rounded. Brown or olive, with round blackish spots, white 

 beneath ; the spots forming regular transverse series in the young ; an 

 elongate blackish blotch may be present on each side above the pectoral ; 

 dorsal and caudal fins with small round blackish spots. 



Total length 350 millim. 



Cameroon, Gaboon, Congo. — Type in Paris Museum. 



1, 2-5. Ad. & Jfr. 

 6, 7. Skels. 



8. Yg. 



9. Hgr. 

 10-11. Yg. 



12. Ad. 



13. Yg. 



14. Yg. 



15-16. Yg., types 

 of A. pulcher. 



Kribi R., S. Cameroon. 



Zima Country, S. Cameroon. 



Nyong R., 



Ja R. at JBitye, „ 



Ja R. at Esamesa, ,, 



Ngomo, Ogowe. 



Abanga R., Ogowe. 

 Lindi R., Upper Congo. 



G. L. Bates, Esq. (().). 



Rev. E. Haug (C.) ; 



Paris Museum (E.). 

 Dr. ^\'. J. Ansorge (C). 

 M. M. Storms (C.) ; 



Brussels Museum (P.). 



