100 



NANDID.E. 



1. POLYCENTROPSIS ABBREVIATA. 

 Bouleng. 1. c. pi. iii. fig. 2 ; Pellegr. Bull. Soc. Philom. (9) ix. 1907, p. 34. 



Depth of body twice in total length, length of head 1\ to 1\ times. 

 Snout acutely pointed, chin projecting ; eye as long as or a little longer 

 than snout or interorbital width, nearly 3 to %\ times in length of head ; 

 maxillary extending to below centre or posterior third of eye ; 6 to 9 

 series of scales on the cheek. 9 to 11 gill-rakers on lower part of 

 anterior arch, shorter than gill-laminae. Dorsal XV-XVII 9-11 ; spines 

 increasing in length to the fourth or fifth and decreasing from the 

 seventh or eighth, longest \ length of head and a little longer than soft 

 rays. Anal IX-XII 8-9. Pectoral \ length of head. Ventral longer, 

 produced into a filament, extending beyond origin of anal. Caudal 



Polycentropsis abbreviata. 

 Type (P. Z. S. 1901). 



truncate. Caudal peduncle extremely short. Scales 31-35 j^^; lateral 

 line 4-6. Pinkish brown, uniform or marbled with darker ; spinous 

 dorsal and anal dark brown, with darker and lighter spots and edged 

 with black ; ventrals blackish ; soft dorsal and anal, and caudal white, 

 blackish, edged with pink, at the base. 



Total length 80 millim. 



Lagos, Niger, Ogowe. 



Dr. W. J. Ansorge (C). 



1. Type. 





Mouth of Ethiop R., Niger 

 Delta. 



2. Skel. 





» >> » 



3-6. Ad. & 



hgr. 



Oguta. Low. Niger. 



7. Yg. 





Abo, „ 



8. Ad. 





Assay, 



9-10. Ad. 





Low. Niger. 



11. Hgr. 





Lagos. 



J. S. Budget*, Esq. (P.). 

 Mr. J. Paul Arnold (P.). 

 Sir A. Moloney (P.). 



