MARCUSENIUS. 



73 



in lateral line. [^ in transverse series on body, ^^lo "^ transverse series 

 between dorsal and anal, 16 round caudal peduncle. Uniform brown, 

 somewhat lighter beneath. 

 Total length 140 mm. 



South C ameroon. 



Fig. 55. 



fe?3;^-'>^;^/tl*;ti-<^<^i^^^f^'''' 



?r';»=c!es'E";=PE^5?^ 



1-2. Types. 



2Iarcuse)(i us hatesii. 

 Type, f 



KrUji K. at Efuleii. 



C4. L. Bates, Esq. (C). 



12. MARCUSENIUS ANSORGII. 

 Bouleng. Ann. & Mao-. N. H. (7) xv. 1905, p. 457. 



Depth of body equal to length of head, 4| to 5 times in total length. 

 Head once and \ as long as deep; snout rounded, J length of head; 

 mouth small, terminal, but situated below level of eye ; a feeble mental 

 swelling ; teeth notched, 7 in upper jaw% 8 in lower ; anterior nostril on 



Fifif. 50. 



s»^& 



^ 







Ma rcuseni us a nsorgii. 

 Type. 



a level with centre of eye, posterior loAver down and separated from eye 

 by a space equal to its distance from the anterior; eye a Httle shorter 

 than snout. Dorsal 19, originating above 5th or 6th ray of anal, its 

 length about 2^ times in its distance from head. Anal 24-26, equally 

 distant from base of ventral and from base of caudal, or a little nearer 



