504 



SILUIUIME. 



5. PHRAC'TURA LONGICAUDA. 

 Bouleng. Ann. & Mag. N. H. (7) xii. 1903, p. 439. 



Depth of body 14 times in total length, length of head 6| times. 

 Head 1^ as long as broad, the slightly rugose skull covered with very 

 thin skin ; snout half length of head, pointed, projecting a little beyond 

 mouth ; space between the two nostrils at nearly equal distance from 

 end of snout and from eye ; eye supero-lateral, its diameter 5^ times 

 in length of head, 1^ in interocular width ; maxillary and outer man- 

 dibular barbels subequal, § length of head, inner mandibular \ ; occipital 



Fig. 376. 



Phructum lonylcauda. 

 Type. 



process about twice as long as broad, widely separated from the inter- 

 neural shield. Dorsal I fi, first ray longest, spinulose, as long as head ; 

 second dorsal very small, originating above last rays of anal. Anal II 6, 

 Pectoral slightly longer than head, not reaching root of ventral. Caudal 

 peduncle depressed, very slender, f total length. 25 dorsal and 19 

 ventral shields, of which 11 are on caudal peduncle, the last 4 united 

 round the latter. Brownish above, speckled with dark brown, white 

 beneath ; fins spotted with blackish. 



Total length 77 millim. 



South Cameroon. 

 1. Type. Mvile R. G. L. Bates, Esq. (C). 



6. PHRACTURA ANSOH&IL 

 Bouleng. Proc. Zool. Soc. 1901, ii. p. 623, pi. xxxvii. fig. 1. 



Depth of body 10 times in total length, length of head 5 times. 

 Head ]\ times as long as broad, rugose above, covered with thin skin ; a 

 median lidge on the snout, bifurcating towards the interorbital region ; 



