MOEMTRID^. 161 



^ its distance from head. Anal 27, equally distant from base of ventrals 

 and from caudal. Pectoral as long as head, not quite reaching extremity 

 of ventral. Caudal with pointed lobes. Caudal peduncle 3 times as 

 long as deep, as long as head. 35 scales in lateral line, ^ in transverse 

 series on body, ^ in transverse series between dorsal and anal, 12 round 

 caudal peduncle. Body and fins brown, dotted with blackish. 



Total length 60 millim. 



Uelle, Upper Congo. — Type in Congo Museum, Tervueren. 



Distinguished from M. adspersus by the more inferior mouth and the 

 lower number of scales in the lateral line. 



12. MAHCUSENIUS ANSORGII, Blgr. 

 Add :— 



.3-4. Ad. Lucalla R. at Kalenge. Dr. W. J. Aiisorge (C). 



5-7. Hgr. & yg. Quanza R. at Dondo. „ 



8-10. Yg. Lncalla R. at Lucalla. „ 



13. MARCJUSENIUS PAUCIKADIATUS, Stdr. 

 Add:— 



1. Ad. Bengo R. at Cabiri. Dr. W. J. Ansorge (0.). 



U. MARCUSENIUS NIGRICANS, Blgr. 

 Add :— 

 10-11. Ad. L. Gangu, E. of L. Victoria. 0. M. Woodhouse, Esq. (P.). 



12. Ad. Kiriinia R., Semliki Valley, 8ir F. J. Jackson (P.). 



■2800 ft. 



13. Ad. L. Kasumu, Port Floreuce, „ 



L. Victoria. 



15. MARCUSENIUS ISIDORI, C. k V. 

 Recorded from the Kafue Eiver, Upper Zambesi, by Gilchrist and 

 Thompson, Ann. S. Afr. Mus. xi. 1913, p. 328. 



15 a. MARCUSENIUS GAILLARDI. 

 Pcllegr. Bull. Mus. Paris, 1909, p. 212, and Poiss. Bass. Tchad, p. 51, pi. i. fig. 2 

 (1914). 

 Depth of body 3 to 3^ times in total length, length of head 3| to 4 

 times. Head slightly longer than deep ; snout rounded, as long as or a 

 little longer than eye, which is A\ times in length of head and twice in 

 VOL. IV. ^ 



