LAMPJIOLOGUS. 465 



long as deep. Scales 42-53 j^fjg ; lateral lines gi^. Brownish or 

 olive, with 5 or 6 more or less distinct darker cross-bands ; a dark brown 

 streak on the temple and a blackish opercular spot ; vertical fins brown, 

 spotted with white, or caudal with round dark brown spots forming 

 irregular bars. 



Total length 100 millim. 



Congo. 



1. Ad. Matadi, Lower Congo. C.ipt. Wilverth (C). 



2-4. Typos. Kinshassa, Stanley Pool. M. A. Greshoff (C.) ; 



Utrecht University (E.). 

 h-1. Ad. & hgr. Monscmbe, Upper Congo. Rev. J. H. Weeks (P.). 



8. Skel. „ „ „ 



9-10. Ad. & hgr. Stanley Falls. Dr. C. Christy (C). 



5. LAMPROLOGUS TUMBAXUS. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 116, pi. xliv. fig. 3 (1899), and Poiss. 

 Bass. Congo, p. 401 (1901) ; Pellegr. Mem. Soc. Zool. Franco, xvi. 1904, 

 p. 290. 



Depth of body 5^ to of times in total length, length of head 3 to 3| 

 times. Head 2\ times as long as broad ; snout as long as eye, which is 



Lamprologus tumbanus. 

 Type (A. M. C). 



3J to of times in length of head and equals or a little exceeds inter- 

 orbital width ; mouth extending to below anterior border of eve ; 

 8 canines in front of each jaw, followed by a band of minute teeth ; 

 lateral teeth small ; cheek naked. Gill-rakers short, 8 or 9 on lower 

 part of anterior arch. Dorsal XVII-XVIII 8-9 ; spines increasing in 

 length to the last, which measures •§- length of head and \ longest soft 

 rays. Anal V— VI 5-6. Pectoral § length of head. Ventral reaching 

 vent, or not quite so far. Caudal rounded, subacuminate. Caudal 

 peduncle as long as deep. Scales 30-36 j^ ; lateral lines j^=^. 

 VOL. III. 2 H 



