12 i 

 1. Har 



MASTACEMBELID-E. 



Upper Benito R., SpanLsh G. L. Bates, Esq. (C). 

 Guinea, 200-300 ft. 



2. Ad. Loango, Lower Congo. M. De Meuse (C). 



;i. Bkel. „ „ "_ 



4-C.. Hgr. & yg. Sankuru R. at Kondue, Kasai. M. E. Luja (C.) ; 



Luxemburg Museum (P.). 



Upper Congo, 50 miles S. of Rev. J. H. Weeks (P.). 



Mangala. 

 Monsembe, Upper Congo. >. 



Banzyviile, Ubanglii. Capt. Royaux (C). 



Aruvvimi R., 2000 ft. R- B. Woosnam, Esq. (C). 



7. Typ. 



8. Ad. 



9. Ad. 



10. A.I. 



Fig. 77. 



t L 



Mastacembelus si(jnatns. 

 Type. .|. 



12. MASTACEMBELUS SIGXATUS. 

 Bouleng. Ann. & Mag. N. H. (7) xvi. 1905, p. 647. 



Depth of body 10| times in total length, length of head 7 times. 

 Vent equally distant from end of snout and from caudal, its distance 

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

 ending in an appendage which is twice as long as eye ; mouth extending 

 to below posterior nostril ; a strong erectile spine below latter ; three 

 strong prseopercular spines. Dorsal XXIX 85; last spine longest, Ih 

 times as long as eye ; distance between first spine and head \ length of 

 latter. Anal III 85 ; second spine longest. Pectoral about ^ length 

 of head. Caudal rounded. Scales very small, about 20 between origin 

 of soft dorsal and lateral line. Brownish above, yellow beneath ; a 

 series of 14 large X-shaped markings on each side of the body ; small 

 dark spots on the pectoral ; anal and caudal dark edged. 



Total length 275 millim. 



Lake Bangwelu. 

 1. Type. L. Banguehi. P. H. Mcllund, Esq. (P.). 



