354 



SILUK1DJE. 



5. A. liargeri, Blgr., p. 353. 



[p. 359. 

 A. longirostris, Blgr., 



Maxillary barbel longer than bead ; length of snout 

 li times interocular width ; caudal peduncle 



not longer than deep 



B. Head longer than broad ; snout obtusely 



pointed, its length 2 (young) to 3 times 



interocular width ; base of adipose dorsal 



not more than 1^ times that of rayed dorsal. 



II. Dorsal entirely or partly above the ventrais. 



A. Head but slightly longer than broad ; snout broadly rounded ; interocular 



width 2i- 3 times diameter of eye. 

 Length of head 4-4-^ times in total length ; caudal 



ped uncle a little longer than deep ; caudal 



forked, with rounded lobes 



Length of head 3|-3j times in total length ; caudal 



peduncle as long as deep ; caudal feebly emar- 



ginate .... 8. A. brevis, Blgr., p. 361. 



B. Head much longer than broad ; snout 



obtusely pointed ; interocular width less [p. 362 



than diameter of eye 9. A. arigustifrons, Blgr., 



[p. 360. 

 A. atesuensis, Blgr., 



1. AMPHILIUS URANOSCOPUS. 



Anoplopterus uranoscopus, Pfeff. Jahrb. Hamb. Wiss. Anst. vi. 2, 1889, p. 16, x. 2, 



1893, p. 33, pi. ii. figs. 1 & 2, and Thierw. O.-Afr., Fische, p. 33 (1896). 

 Amphilius uranoscopus, Bouleng. Proc. Zool. Soc. 1905, i. p. 64. 



Flo;. 274. 



M 



Amphilius uranoscopus. 

 Type, after Pfeffer (Jahrb. Hamb. Wiss. Anst. 1893). f . 



Depth of body 6 times in total length, length 

 of head 5£ times. Head much depressed, a little 

 longer than broad ; snout broadly rounded, nearly 

 \ length of head ; eye very small, about 12 times 

 iu length of head and 3 times in interocular width ; 



