I .'.77 ) 



APPENDIX. 



ADDENDA. 



AN ABAS NANUS, Gihlth. 



Ctenopoma tianum, G-iiuther, Ann. Mag. N.H. (6), xvii, 1896, 

 pi. '269, pi. 13, fig. 23. 



Anabas maculatus (non Thorain.), Boulenger, Ann. Mus. Congo, 

 Zool., ii, p. 51 (1902) ; Steindachner, Denkschr. Ak. Wien, Ixxxix, 

 1913, p. 50. 



Analas nan.us, Boulenger, Freshw. Fish. Africa, iv, p. 58, fig. 34 

 (1916). 



"Depth of body equal to length of bead, 2| to 3 times in total 

 length. Snout rounded, as long as or a little shorter than eye, which 

 is 4 to 4i times in length of bead and nearly equals iiiterorbital 

 width ; maxillary extending to below anterior fourth of eye ; no 

 palatine teeth ; praeorbital, praeoperculum, and interoperculum 

 entire ; suboperculum entire or more or less strongly denticulate ; 

 2 to 5 spines above and one or two below opercular notch. 5 or 6 

 very short gill-rakers on lower part of anterior arch. Dorsal -xv-xvii 

 7-10 ; last spine longest, about ^ length of head ; longest so^ft 

 rays - to -| length of head. Anal vii-ix 9-11, similar to dorsal. 

 Pectoral f to f length of head. Ventral, in adult, produced into 

 a filament, reaching beyond origin of anal. Caudal rounded. Caudal 

 peduncle 2-2 1 times as deep as long, as long as eye. Scales rugose, 



strongly ctenoid, 25-30 ^^; lateral lines -j-~ ]( *. Brownish or olive, 

 with 6-9 more or less distinct dark cross-bands; vounu' with a round 



" J O 



blackish spot at base of caudal. 



South Cameroon to Upper Congo. " (Boulenger.) 



Three specimens, up to 50 mm. in length, from. Sesheke, N. liliddt sin 

 (Rev. L. Jalla). 



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