MORMYEUS. 



i; 



i to I length of head. 85-100 scales in lateral line, ll_^ in transverse 

 series on body, 32-36 in transverse series between dorsal and anal, 12 or 

 14 round caudal peduncle. Bluish grey above, whitish below. 



Total length 500 millim. 



Congo. — Type in Congo iNluseum, Tervueren. 



1. Ad. Boma, Lower Coiioo, 



2. Hgr. Kutu, Luke Leopold IT. 

 3-4. Hgr. Upper (■ongo. 

 5. Vg. Bujizyville, Ubaiiglii. 



M. P. Delhez (C). 



Brussels University 

 Capt. Koyaux (C). 



0. MORMYRUS TAPIR US. 



Pappenh. Sitzb. Ge^. naiuri'. Fr. r>erl. VM)'), p. 217, and Mitth. Zool. Mus. Berl. 

 iii. 1907, p. :'A\2, pi. xiii. fin-. ;>,. 



Depth of body nearly equal to length of head, 4 to 4J times in total 

 length. Upper profile of head descending in a curve ; snout much pro- 

 duced, tubifonn, slightly longer than postoculur part of head, its length 

 about 4 times its least depth ; mouth very small, with thick lips, chin 

 rather produced ; teeth notched, 5 in upper jaw, 8 in lower; eye rather 

 large, ^ length of head, f interorbital width. Dorsal 65-67, originating 



Fig. in. 



^^0^^^^M:' 



^Jonn>/rHS tapirus. 

 Tvj)e. k. 



slightly in advance of base of ventrals, 2| times as long as anal. Anal 

 27-28, originating at equal distance from base of pectoral and from base 

 of caudal. Pectoral pointed, | length of head, reaching a little beyond 

 root of ventral ; latter about h length of head. Caudal scaled, with 

 pointed lobes. Caudal peduncle 3 times as long as deep, sliglitly longer 

 than postocular part of head. 05 scales in lateral line, ^^ in transverse 



