468 



SJLUIUDjE. 



Total length 230 millim. 

 Upper Congo. 



1 . Tvpe. Stanley Falls. 



2. Hgr. Leopoldville. 



3. Ad. Upper Congo. 



Rev. W. H. Bentley (C). 

 ('apt. Wilverth (C). 

 Brussels University. 



53. SYNODONT1S DECORUS. 

 Bouleng. Ann. Mus. Congo, Zool. i. p. 49, pi. xxv. (1899), and Poiss. Bass. Congo, 

 p. 327 (1901). 

 Depth of body equal to length of head, 3f to of times in total length. 



Fig. 351. 





Synodontis decortts. 

 Type (A. M. C). | 



Head about 1^ times as long as broad, as broad as deep, finely granulate 

 above from between the eyes ; snout pointed, nearly half length of head ; 

 eye supero-lateral, its diameter 4 to 4^ times in length of head, 1^ to 2 

 times in interorbital width. Mouth narrow, with strongly developed 

 lips ; prsemaxillary teeth small and few, in 1 or 2 series ; movable 

 mandibular teeth hardly ^ diameter of eye, 4 to 11 in number. 

 Maxillary barbel bearing small branches on outer border, some bifid, its 

 length j to once length of head ; mandibular barbels with long, mostly 



