162 ADDENDA, VOL. I, 



intei'ocul3,r width ; mouth small, below level of lower border of eye, its 

 width 4 times in length of head ; teeth strongly notched, 7 in each jaw; 

 anterior nostril on a level with centre of eye, lower a little lower down 

 and close to eye. Dorsal 18-20, originating above 2nd to 5th ray of 

 anal, its base equal to caudal peduncle. Anal 22-25, equally distant 

 from base of ventrals and from base of caudal. Pectoral pointed, nearly 

 as long as head, usually reaching extremity of ventral. Caudal with 

 rounded lobes. Caudal peduncle 2^ times as long as deep. 48-50 

 scales in lateral line, j^^ in transverse series on body, 16 round caudal 

 peduncle. Yellowish grey, speckled with black. 



Total length 83 millim. 



Lake Chad. — Types in Paris Museum. 



Intermediate between M. llmysii and M. isiclori. 



20. MARCUSENIUS DISCORHYNCHUS, Peters. 



Keilhack, Mittb. Zool. Mus. Berl. v. 1910, p. 92. 



Add :— 



5-7. Hgr. Lake Bangwelu. F. H. Melland, Esq. (P.). 



8-9. Hgr. Nyassaland. A. R. Andrew, Esq. (P.), 



Add:- 



21. MARCUSENIUS PETHERICL Bier. 



10. Hgr. Victoria Nile between L. Kioja F. H. Melland, Esq. (P.) 



and Murchison Falls. 



5. STOMATORHINUS, Blgr. 



1. STOMATORHINUS PUNCTICULATUS, Blor. 

 Add :— 



2- ^'^- Soma. Mr. J. Paul Arnold (P.). 



6. STOMATORHINUS MICROPS, Bla,- 

 Steiud. Denkschr. Ak. Wien, Ixxxix. 1913, p. 4. 



6. MYOMYRUS, Blgr. 

 la. MYOMYRUS MACROPS. 

 Bouleng. Ann. & Mag. N. H. (8) xiv. 1914, p. 383. 



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

 5 times. Head 1^ to IJ times as long as deep, with convex upper 



