MASTACEMBELUS. 



135 



not longer than eye ; distance between first spine and head J length of 

 latter. Anal II 90-95 ; first spine extremely short, very indistinct. 

 Caudal rounded. Pectoral \ length of head. Scales very small, 20 

 between origin of soft dorsal and lateral line ; latter formed of a few 

 tubules widely separated from one another. Brownish, with dark lines 



Fig. 88. 



Mttstacembehts reticulatus. 



2 



5- 



Type. 2 



forming a wide-meshed network ; dorsal, anal, and caudal fins blackish, 

 with round white spots more or less regularly arranged, and a white 

 border. 



Total length 190 millim. 



Sierra Leone. 



1-2. Types. Sierra Leone. Liverpool School of Trop. 



Medicine (P.). 



26. MASTACEMBELUS MELLANDI. 

 Bouleng. Ann. & Mag. N. H. (8) iv. 1914, p. 386. 



Depth of body 12 times in total length, length of head 7£ times. 

 Vent equally distant from head and from caudal, its distance from 



Fig. 89. 



p jgj g*fc>*Bi ■^ rt " *tfi 



-j^iv <*r:&* 





-^^m 



Mastacemhelus m elhtndi. 



Type. 



i 



2* 



former 3 times its length. Snout 4 times as long as eye, ending in an 

 appendage which is 1J times as long as eye; mouth extending to below 

 anterior border of eye ; no praeorbital or prseopercular spines. Dorsal 



