8l4 Me. g. a. boulengeh ow the fishes [Nov. 15, 



Caudal with obtusely pointed lobes. Caudal peduncle twice as 

 long as deep, nearly i length of bead. About 100 scales in the 

 lateral line, 26 round caudal peduncle. Plumbeous or olive above, 

 dorsal with oblique dark streaks. 



Total length 350 millim. 



Nile. — This description is drawn up from the figui'e in the 

 ' Description de I'Egypte ' and the account given by Valenciennes. 



2. MORIIYEUS AXCHIET-I. 



Mormyrus ancJiietce, Gruimaraes, Joru. Sc. Lisb. x. 1884, p. 4, 

 pl. i. fig. 3. 



Depth of body 4| to 5| times in total length, length of head 4 

 to 4|. Head 1^ as long as deep, with curved upper profile ; 

 snout about g as long as postorbital part of head ; chin swollen, 

 rather prominent ; teeth small, notched, 7 in the upper jaw, 

 10 in the lower ; eye moderate, its diameter about g length 

 of snout. Dorsal 62-66, originating in advance of ventral, twice 

 as far from end of snout as from extremity of caudal, 4 times as 

 long as anal. Anal 18-20, originating nearer base of caudal than 

 base of pectoral. Pectoral rounded, nearly | length of head, 

 ventral *. Caudal densely scaled, with pointed lobes. Caudal 

 peduncle twice as long as deep, nearly | length of head. 86 scales 

 in tlie lateral line, 30 in a transverse series on the body, 20 or 22 (?) 

 round caudal peduncle. Brownish above, silvery beneath ; a 

 whitish streak along the lateral line. 



Total length 330 millim. 



Cunene and Caconda, Angola. — Type in Lisbon Museum. 



The insufficiently characterized Mormyi-us lacerda, Castelnau, 

 Poiss, Afr. Austr. p. 61 (1861), from Lake N'gami, may be 

 identical with this species. D. 72 ; A. 19. Upper surface of 

 head and anal fin blackish. 



3. MORMTBUS GUENTHEEI, sp. n. 



Mormyrus Imsselqidstii (non C. & V.), Giiuth. Cat. vi. p. 217 

 (1866). 



Depth of body 5g times in total length, length of head 4g. 

 Head Ig as long as deep, with cur^'ed upper profile; snout k as 

 long as postorbital part of head, projecting a little beyond the 

 mouth ; width of mouth | length of snout ; teeth small, notched, 

 8 in the upper jaw, 12 in the lower ; eye modei-ate, its diameter 4 

 length of snout or interorbital width. Dorsal 70, originating in 

 advance of ventral, nearly twice as far from base of caudal as from 

 end of snout, 4| times as long as anal. Anal 20, originating 

 nearer base of caudal than base of pectoral. Pectoral rounded, a 

 little more than k length of head, ventral f . Caudal with obtusely 

 pointed lobes. Caudal peduncle I3 as long as deep, f length of 

 head. 98 scales in the lateral line, ^ in a transverse series on the 



