1898.] OP THE FAMILY MOBMXfilD^. 783 



base, with rounded lobes. Caudal peduncle twice as long as deep, 



1 length of head. 93-95 scales in the lateral line, ^r^^^j ^^ ^ trans- 

 verse line on the body, 25-27 in a transverse line between dorsal 

 and anal, 20 round caudal peduncle. Olive above, bluish white 

 beneath. 



Nile. 



3. MOEMTEOPS LONGICEPS. 



Mormyrops lonyiceps, Giinth. Ann. & Mag. N. H. (3) xx. 1867, 

 p. 117. 



Depth of body 7 times in total length, length of head 4, Head 

 very low and elongate, more thau twice as long as deep ; upper 

 jaw somewhat longer than the lower ; teeth truncate and notched 

 at the apex, f f ; eye very small, situated in the anterior third of 

 the head. Dorsal 26, more than half as long as anal. Anal 39. 

 Lat. 1. 90. Coloration uniform. 



Total length 280 miUim. 



Bossumprah Eiver, Gold Coast. — The type specimen, which 

 should be in the Liverpool Museum, could not be found by 

 Dr. H. O. Forbes, to whom I applied for information respecting it. 



4. MoEMTEOPS BEETICEPS. 



Mormyrops hreviceps, Steind. Notes Leyd. Mus. xvi. 1894, p. 66, 

 pi. i. fig. 2. 



Depth of body 7| times in total length, length of head 5|. 

 Head nearly twice as long as deep, upper pi'ofile slightly concave; 

 snout rounded, the upper jaw a little longer than the lower ; teeth 

 truncate or shghtly notched, 20 in each iaw ; eye small, its diameter 



2 in length of snout. Dorsal 26, | length of anal, originating 

 considerably nearer base of caudal than head. Anal 43, originating 

 considerably in advance of dorsal (its 13th ray corresponding to 

 the first dorsal ray), and a little nearer head than base of caudal. 

 Pectoral a little more than | length of head, ventral §. Caudal 

 rather small, with rounded lobes. Caudal peduncle 2| as long 

 as deep, | length of head. 90 scales in the lateral line. 



Total length 355 millim. 



St. Paul E., Liberia. — Type in Leyden Museum. 



5. MORMTEOPS ZAIfCLIEOSTEIS. 



Mormyrus zandirostris, Griinth. Ann. & Mag. N. H. (3)xx. 1867, 

 p. 114, pi. ii. fig. B. 



Mormyrops zandirostris, Bouleng. Ann. Mus. Congo, Zool. i. 

 1898, p. 3. 



Depth of body 6g to 7 times in total length, length of head 3| to 

 4 times. Head 2g to 2| as long as deep ; snout much produced, 

 tubiform, nearly as long as postorbital part of head ; mouth terminal, 

 very small; teeth truncate, 14 in each jaw; eye very small, 

 situated in the anterior half of the head, its diameter i to | inter- 

 orbital width. Dorsal 20-21, g length of anal, originating 3 to 3| 



