1. TT.M-. 



MASTACEMBELID.E, 



Ujiper Benito R., SiKinish (i. T^. Bates, Esq. (C). 

 Guinea, 200-300 ft. 



2. Ad. Loango, Lower Congo. j\l. De Meuse (C). 



;>. iSkci. „ ,, 



4-t;. Ifgr. & yg. Sanknrii R. at Kon.ine, Kasai. M. E. Luja (C.) ; 



Liixenihurg Museum (1'.). 



7. Tvpo. Upper Congo, 50 miles S. of Ucv. J. II. AVeeks (P.). 



Mangala. 



8. Ad. Monsemhe, Upper Congo. ,, 



9. Ad. P.an/.yville, Ubanglii. ('apt. Uoyaux {().). 



10. Ad. Ai-iiwimi ]{., 2000 ft. 1!. B. Woosnam, E.s p (('.). 



FiK. 



Mastacembelus siijnatus. 

 Type. I 



12. MASTACEMBELUS SIGNATUS. 

 Bouleng. Ann. & Mag. N. H. (7) xvi. 1905, p. 047. 



Depth of body lOi times in total length, Icngtli of Iioad 7 tiiuos. 

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

 from head 2| 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 pricopercular spines. Dorsal XXIX 8-3 ; last spine longest, li 

 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 beneatli ; a 

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

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



Total length 275 millim. 

 Luke l>ang\velu. 



,-po. 



I.. Pangwcln. 



F. II. Mr 



E^.,. (P.). 



