136 MASTACEMBELIDiE. 



XXXII 70 ; last spine twice as long as eye ; distance between first 

 spine and head \ length of latter. Anal II 75; first spine short, 

 second as long as last dorsal. Caudal rounded. Pectoral ^ length 

 of head. Scales very small, 15 between origin of soft dorsal and 

 lateral line. Yellowish brown with blackish-brown marblings and a 

 broad, festooned, blackish-brown lateral band in front ; a vertebral 

 series of large blackish-brown spots narrowly separated from each 

 other ; a pair of yellowish streaks, confluent in front, on each side of 

 the back between the dark bands ; caudal region blackish brown with a 

 network of yellow lines ; lower edge of anal yellow. 



Total length 310 millim. 



Northern Rhodesia. 

 1. Type. Solwezi R., trib. of Cbifubwa R., near F. H. Melland, Esq. (P.). 

 Zambesi in Congo watershed. 



Fig. 90. 



!ri»Tba*Mr*^>- J k»*.v. 



Mastacenibelus hracliyrliinus. 

 Type (A. M. C). A. 



27. MASTACEMBELUS BRACHYRHIXUS. 

 Bonleng. Ann. Mns. Congo, Zool. i. p. 55, pi. xxviii. fig. 4 (1899), and Poiss. 

 Bass. Congo, p. 497 (1901). 



Depth of body 12 times in total length, length of head 6f times. 

 Vent at nearly equal distance from head and from caudal, its distance 

 from head 2§ times length of latter. Snout 3 times as long as eye, 

 ending in a very short appendage, which measures about -| diameter of 

 eye; mouth extending to below anterior border of eye; no praeorbital 

 or prseopercular spines. Dorsal XXXI 51 ; distance between first 

 spine and bead ^ length of latter. Anal III 53 ; second spine longest. 

 Caudal rounded. Pectoral not quite J length of head. Scales ex- 

 tremely small, 28 between origin of soft dorsal and lateral line. 

 Uniform brownish. 



Total length 150 millim. 



Lower Congo (Matadi). — Type in Congo Museum, Tervueren. 



