AN ABAS. 



8. Ad. 



9-10. Ad. & hgr. 

 11. Ad. 

 12-14, 15. Ad. & h: 



16. Ad. 



Lebuzi R. (Chiloango) 

 at Kuka Muno. 



Banana, Lower Congo. 



Manyanga, „ 



Monsembe, Upper 

 Congo. 



Upper Congo. 



Dr. W. J. Ansorge (C). 

 Capt. Wilverth (C). 

 Rev. J. H. Weeks (P.). 

 Brussels University. 



Fig. 33. 



Aiiabas conr/isus. 

 Type. 



7. ANABAS CONGICUS. 

 Ctenopoma congicum, Bonleng. Ann. & Mag. N. H. (5) xix. 1887, p. 148. 

 Anabas congicus, Bouleng. Ann. & Mag. N. H. (7) iii. 1899, p. 242, Poiss. Bass. 

 Congo, p. 374 (1901), and Ann. Mus. Congo, Zool. ii. pp. 22 & 51 (1902). 



Depth of body 2f to 3 times in total length, length of head 3 to 

 3^ times. Snout rounded, shorter than eye, which is 3 (young) 

 to 3f times in length of head and nearly equals interorbital width 

 maxillary extending to below anterior border or anterior fourth of eye 

 no palatine teeth ; praeorbital, praeoperculum, and interoperculum entire 

 suboperculum more or less strongly denticulate ; 4 or 5 spines above 

 and one below opercular notch. 7 or 8 very short gill-rakers on lower 

 part of anterior arch. Dorsal XVI-XVII 8-9 ; last spine longest, 

 f to J length of head ; longest soft rays | to f length of head in females 

 and young, produced and longer than head in males. Anal IX-XI 

 9-11, similar to dorsal. Pectoral nearly as long as head. Ventral 

 produced into a filament, reaching far beyond origin of anal. Caudal 

 rounded. Caudal peduncle nearly twice as deep as long, as long as eye. 

 Scales rugose, strongly ctenoid, 26-28 y ; lateral lines ^{^y. Yellowish 



