rOLYPTEEUS. i 



markings becoming more indistinct or disappearing in the adult ; a few 

 scattered black spots sometimes present; paired fins with more or less 

 distinct transverse streaks or series of s[)ots, the other fins without 

 spots ; belly yellow. 



Total length 720 millim. 



Nile, Lake Rudolf, Chad Basin.— Types in Paris Museum. 



y^ii. 3. 



-. y„«^;,^i,f;.*^ -* .,,^^:^f;:^'d!^''>::^S'X:-^:^<^S^J^i^^p!i^;^ 



.^— ^vi-.ra.'fe-.'r,-- -^ ,^-i-v'VV--^difTi^ ■ 



>r.— *^ 



1-3. Yg. 

 4-.'). Ad. 



(^. Ad., stffd. 



7. Hgr. 



8. A<1. 



9-12. Hgr. it yg. 

 13-14. Yg. 

 15-24. Ad. & hgr. 

 25. Hgr., skel. 

 2G. Ad. 



27. Ad. 



28. Ad. 



29. 30. Ad., stffd. 



Polypterus hicJiir. 

 Kile Delta (F. N.). |. 



Near Dauiictta. 

 Mansural), Damietta Nile. 



Cairo. 



Near Cairo. 



Kawa, White Nile. 



Goz abu GuniahjWhiteNile. 



Gharb-el-Ai^h, „ 



Fashoda, » 



Near Keno, ,, 



Mouth of Lake No, ,, 

 Bahr-el-Gel)el. 

 Nile. 



Dr. J. (\ Mitchell (P.). 

 N. K. Harrington, Esq., 

 and Dr. Hunt (E.). 

 Dr. Ruppeh (C.). 

 L. Loat, Esq. ((!.). 



55 



Capt. S. Flower (P.j. 



2. POLYPTERUS LAPRADIL 



Steind. Sit/d). Ak. Wien, lix. i. 18G9, p. 103, pi. i. figs. 1 & 2, and pi. ii. figs. 1 & 2 ; 



Bouleng. Ann. & Mag. N. H. (7) ii. 1898, p. 418 ; Budgett, Proc. Cambr. 



Philos. Soe. X. 1900, p. 2:^^^ ; Bouleng. Proc. Zool. 8oc. 1902, i. p. ll^^, pl- ^. 



figs. 1 & 2. 



Head rather strongly depressed, 1§ to 2^ times as long as broad, its 



