1:^8 



MASTACEMBELID.i:. 



Dorsal XXV-XXVII 70-80; spines very short; distance between 

 fi:t1pi;e and head i length of latter. Anal II 70-80 CaucM 

 rounded. Pectoral i length of head. Scales extremely sma 1 30-oo 

 between origin of soft dorsal and lateral line. Brown, taxi wi h 

 a wide.meshed blackish network; dorsal and anal ftns whxtish 

 with a series of blackish spots or vertical bars ; anal and caudal 

 edged with blackish. 



Total length 440 millim. 



Lake Tanganyika. 

 1 2 Type. Mbity Eocks. Prof. J. E. S. Moore (C). 



:X Yg Utinta. 13- W. A. Cunningtou ((J.J. 



rig. 81. 



MasUicembelas moorii 

 Type (Tr. Z. S. 1898). 



17. JIA.'iTAOEMBELUS SHIRAN U.S. 



Giinth. Ann. & Mag. N. H. (6) xvii. 1896, p. 397 ; Bouleng. Tr. Zool. Soc. xv. 

 1898, p. 23. 



Depth of body 12 to 14 times in total length, length of liead 7 to 8 

 times. Vent equally distant from end of snout and from caudal, its 

 distance from head 2f to 3 times length of latter. Snout 3 times as 

 long as eye, ending in an appendage which is as long as or slightly 

 longer than eye; mouth extending to below anterior border of eye; 

 no prijeorbital or praeopercular spines. Dorsal XXVl-XXIX 65-70 ; 

 spines short, last about 1| diameters of eye ; distance between first 

 spine and head -| length ot latter. Anal II 60-65 ; first spine very 

 short, often indistinct. Caudal rounded. Scales very small, 18-22 

 between origin of soft dorsal and lateral line. Greyish or brownish, 

 spotted or handsomely marbled with dark brown; dark brown streak 



