LAMPKOLOGUS. 465 



long as deep. Scales 42-53 -^% ■ lateral lines |^^ 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. Matiuli, Lower Clonic. Capt. Wilvertli (C). 



2-L Types. Kinshassa, Stanley Pool. M. A. Grcsliofif (C.) ; 



UtrecLt University (E.). 

 5-7. Ad. & ligr. Mousembe, Upper Congo. Rev. J. H. AVeeks (P.). 



8. Skel. 

 y-10. Ad. & l)or. Stanley Falls. Dr. 0. Christy (C). 



5. LAMPROLOGUS TUMPANUS. 

 Bouleng. Ann. Mns. Congo, Zool. i. p. 116, pi. xliv. fig. 3 (181)0), and Poiss. 

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

 p. 290. 



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

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



Larnproloc/us tumbanus. 

 Type (A. M. C). 



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

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

 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 f length of head and ^ longest soft 

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

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

 peduncle as long as deep. Scales 80-36 jj:j3 ; lateral lines |||^. 

 VOL. III. 2 H 



