130 



MASTACEMBELID.'E. 



between origin of soft dorsal and lateral line. Brown, with lighter spots, 

 which are more distinct on the caudal region ; dorsal and anal fins edged 

 with brown or black ; pectoral with small dark spots. 



Total length 330 millim. 

 Ashantee. 



1. Type. 



2. Ad. 



3. Yg. 



Ashantee. 



Sacred Lake, Buchumachi, near 



Kumasi It. 

 Sefwi. 



C. Beddington Esq. (P.). 

 A. Nell, Esq. (P.). 



Mastacembelus nigromarginatus. 

 Type, i 



19. MASTACEMBELUS MOERUENSIS. 

 Bouleng. Rev. Zool. Afr. iii. 1914, p. 446. 



Depth of body 17 times in total length, length of head 8 times. 

 Vent a little nearer end of snout than caudal, its distance from head 

 3^- times length of latter. Snout 3| times as long as eye, ending 

 in an appendage which is as long as latter ; mouth extending to 

 below anterior border of eye ; no pneorbital or praeopercular spines. 

 Dorsal XXX 75 ; spines short, last scarcely longer than eye ; distance 

 between first spine and head not quite J length of head. Anal II 75. 

 Caudal rounded. Pectoral -j length of head. Scales very small, 

 18 between origin of soft dorsal and lateral line. Dark brown, belly 

 whitish. 



Total length 265 millim. 



Lake Mweru. — Type in Congo Museum, Tervueren. 



