G EPH YROGLANIS. — PH YLLONEMUS. 



349 



times as long as deep. Brownish above, white beneath ; a blackish spot 

 behind the gill-cover, fins blackish at the end. 



Total length 140 millim. 



Upper Congo. — Type in Congo Museum, Tervueren. 



Fig. 270. 



1. One of the types. 



2. Hjjr. 



Gepliyroglanis lonyipinnis. 

 Type (A. M. C). f . 



Stanley Pool. 

 Upper Congo. 



M. P. Delhez (C). 

 Brussels University. 



18. PHYLLONEMUS. 

 Bouleng. TV. Zool. Soc. xvii. 1906, p. 552. 



Like Chrysichtlvys, but without nasal barbel and with the maxillary 

 barbel fringed on both sides by a leaf-like membrane in its distal part ; 

 only vomerine teeth on the palate. 



A single species. 



1. PHYLLONEMUS TYPUS. 

 Bouleng. 1. c. pi. xxxii. fig. 3. 



Depth of body 5j times in total length, length of head 3^ times. 

 Head smooth, 1^ times as long as broad ; occipital process very short, 

 widely separated from dorsal ; snout flat, broadly rounded, subtruncate, 

 projecting very slightly beyond mouth ; eye \ length of head, equal to 

 interorbital width ; maxillary barbel If times as long as head, extending 

 beyond extremity of pectoral ; outer mandibular barbel as long as head, 



