MA STAGE MBELUS. 



121 



with round yellow spots surrounded by a dark network; alternating 

 dark and light bars may be present at the base of the anal fin. 

 Total length 190 millira. 



Cameroon, Lower Niger, Sierra Leone, Chad Basin.— Types in Stock- 

 holm Museum. 



1. One of tlie 



2-;5. Ad. 



4. Ad. 



5. Ad. 



6. Ad. 



7. Ad. 

 «-[). Hgr. 



10. Ad. 



11. Ad. 

 ]->. Ad. 



Bonge, Cameroon. 



Kribi R., S. Cameroon. 



Njong R., 



Cgiita, Lower Niger. 



Abo, 



Agberi, 



Gregani, 



Assay, 



N. Sliorbo District, Sierra Leone. 



Victoria, Sierra Leone. 



Fisr. 74. 



Mr. Y. Sjostedt (C.) ; 



Stockhohn Museum (P.). 

 G. L. Bates, Esq. (().). 



Dr. W. J. Ansorge ((J.). 



N. W. Tbonias, Esq. (P.)- 



Maniaceiiihelus goi-o. 

 Type(A.M.C.). i. 



!). MASTACEMBELUS GORO. 

 Bouleng. Ann. Mus. Congo, Zool. ii. p. 54, pi. xv. fig. 3 (1902). 



Depth of body 16 to 20 times in total length, length of head 8 to 

 10 times. Vent nearly equally distant from eye and from caudal, its 

 distance from head 3 to 4 times length of latter. Snout 3 times as 

 long as eye, ending in an appendage which is 1^ times as long as eye ; 

 mouth extending to below anterior border of eye ; no prceorbital spine ; 

 two prseopercular spines. Dorsal XXIX-XXXII 80-85; spines very 

 short, last 1^ times as long as eye ; distance between first spine and 

 head nearly equal to length of latter. Anal II 80-85. Caudal rounded. 

 Pectoral about y length of head. Scales very small, 16-18 between 

 origin of soft dorsal and lateral line. Daik grey-brown above, with 

 darker marblings or verraiculations, yellowish or dirty white beneath ; 

 a series of large dark spots may be present on each side of the anterior 

 part of the back ; dorsal and anal fins blackish, with or without small 

 white spots or marblings; anal edged with white; pectoral whitish, 

 with black spots. 



