444 Mr. G. A. Boulenger on 
LV.—Dvagnoses of new Fishes discovered by Mr. W. L. 8. 
Loat in the Nile. By G. A. BoULENGER, F.R.S. 
Mormyride. 
Petrocephalus Keatingit. 
Depth of body 3 times in total length, length of head 4 to 
41, Head as long as deep, rounded; snout very short, 4 
length of head, projecting beyond the mouth, which is situated 
below anterior border of eye; diameter of eye + length of 
head; 16 teeth in the upper jaw, 26 in the lower. Dorsal 
25, originating above fifteenth ray of anal, its length 4 its 
distance from head. Anal 38-39. Pectoral # length of head. 
Caudal with pointed lobes. Caudal peduncle 23 as long as 
deep, 2 length of head. 41-44 scales in the lateral line, 
7g in a transverse line on the body, = 5 in a transverse line 
between dorsal and anal, 10 round caudal peduncle. Silvery, 
back and anterior rays of dorsal darker. 
Total length 105 millim. 
T'wo specimens from Fashoda. 
This species, named in honour of Dr. Keatinge, Director 
of the Government School of Medicine, Cairo, is intermediate 
between P. dane and P. Bove. 
Cyprinide. 
Barbus pumilus. 
DAM 8S Asi Sq.al9—20 - 
No barbels. Depth of body equal to length of head, 3 
times in total length. Snout not prominent, shorter than the 
eye, which is perfectly lateral and contained 8 times in length 
ot head. Dorsal originating above first ray of ventral, without 
ossified ray, its upper border concave. Caudal deeply forked. 
Scales of lateral line series very deep; 14 scales between 
them and the ventral fin; lateral line reduced to three or four 
tubules on the anterior scales. Yellowish olive above, the 
seales edged with black, white beneath; a black streak on 
each side of the head, passing through the eye; a vermilion 
oblique streak along the dorsal and anal and one or two 
blackish ones; a blackish vertical streak at the root of the 
caudal. 
Total length 26 millim. 
Several specimens from Lake No. 
