258 
TEIVELS IN CENTRAL AFRICA. 
CYPRINODONTIDJE. 
Haplochilus. 
Snout flat,, both jaws being much depressed. Barbels none. 
Bones of the mandible firmly united; upper jaw protractile; both 
jaws with a narrow band of villiform teeth. Body oblongs depressed 
anteriorly^ compressed posteriorly. Dorsal fin short,, commencing 
behind the origin of the anal^ which is more or less elongate. No 
adipose fin. Intestinal tract but slightly convoluted; air-bladder 
present. 
Haplochilus fasciolatus, Gthr. 
D. 11. A. 18. V..6 — 7. L. lat. 28. L. transv, 9 — 10. 
The height of the body is a little less than the length of the head,, 
and one-fourth of the total (without caudal) . Head rather elon- 
gate^ much depressed anteriorly, the snout being longer than the 
eye, the diameter of which is somewhat more than one-fourth of 
the length of the head, and one-half of the width of the interorbital 
space. Lower jaw a little longer than upper. Origin of the dorsal 
fin midway between the extremity of the caudal and the eye, cor- 
responding to the seventeenth scale of the lateral line, and being 
rather before the middle of the anal. Pectoral fin extending some- 
what beyond the root of the ventral, which reaches the vent. 
Brownish, each scale with a red spot at the base, disappearing in 
preserved specimens ; the lower part of the sides of the abdomen 
and tail with eight or nine oblique narrow brownish-black streaks, 
descending from the middle of the side forwards. 
Upper Nile. The largest specimen known is only three in. long. 
