AN ABAS. 



0/ 



8. Ad. 



9-10. Ad. & hgr. 

 11. Ad. 

 12-14, 15. Ad. & hgr. 



16. Ad. 



Lebuzi It. (Ohiloango) 

 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. 



Anabas congicus. 

 Type. 



7. ANABAS CONGICUS. 

 Ctenopoma congicum, Bouleng. 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 ; prseorbital, prreoperculum, 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 ^ length of head ; longest soft rays f 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 g-; lateral lines 7 -fjp Yellowish 



