284 



CHAEAC1NID.E. 



more or less distinct longitudinal dark streaks on the snout ; fins white, 

 dorsal sometimes dusky. 



Total length 52 millim. 



Lower Nile to Blue Nile and Bahr-el-Gebel. 



Fig. 217. 



1. Ad. 



2-31. Ad. & hgr. 



32. Skel. 



33. Ad. 

 34-35. Ad. 

 36-37. Ad. 



38-47, 48-67, 68-87. 

 Ad. & hgr. 



Nannochardx niloticus. 

 White Nile (F. N.). 



Beni Souef, Lower Nile. 

 Near Luxor. 



Assuan. 



Rosaires, Blue Nile. 

 Kaka, White Nile. 

 Gondokoro, Bahr-el-Gebel. 



L. Loat, Esq. (C). 



Capt. S. Flower (P.). 

 L. Loat, Esq. (C). 



6. NANNOCHARAX ELONGATUS. 



Bouleng. Ann. Mus. Congo, Zool. i. p. 131, pi. xlviii. fig. 3 (1900), and Foiss. 

 Bass. Congo, p. 197 (1901). 



Depth of body 6^ to 7^ times in total length, length of head 4-f- to 

 5 times. Body cylindrical. Head as broad as deep ; snout as long as 

 eye, which is a little more than 3 times in length of head and equals 



Fig. 218. 



Nannoclwra.v elonjatus. 

 Type (A. M. U.). 



interorbital width. Dorsal III 10, originating above base of ventral, 

 situated nearer end of snout than caudal, longest ray as long as head. 

 Anal III 7. Pectoral a little shorter than head, reaching origin of 

 ventral. Caudal forked, with pointed lobes. Caudal peduncle 2 to 



