POLTPTERTJS. 



15 



not reaching vertical of nrst dorsal spine. 53-61 scales in a longitudinal 

 series, 15-20 between occiput and first dorsal spine, 34-40 round 

 middle of body. Very young conspicuously marked with dark longi- 

 tudinal bands, but all markings disappearing at an early age, the adult 

 being uniformly grey, olive, or green above, white or yellow beneath ; 

 fins immaculate. 



Total length 420 millim. 



White Nile, southwards to Lake Albert, Lake Rudolf, Lake Chad, 

 Senegal, Gambia, Niger. — Type in Paris Museum. 



1-5. A(L 



6-9. Hgr. 

 10-11. Hgr. 

 12-21. Hgr. & yg. 

 22-36. Ad. & hgr. 



37. Ad., skel. 



38. Ad. 

 39-40. Ad. 

 41-43. Ad. & yg. 



44. Hgr. & yg. 

 4.5-46, 47-48. Ad., 



hgr., & yg. 

 49. Hgr. & yg. 

 50-51. Ad. 

 52, Ad. 



53-60. Ad. & hgr. 

 61. Ad. 

 62-64. Ad. 



65. Ad. 



66. Ad. 



67-69. Ad. & hgr. 

 70. Ad. 

 71-73. Hgr. 

 74-78. Hgr. & yg. 

 79-84. Ad. & hgr. 

 85. Ad. 

 86-91. Yg. 

 92-93. Yg. 

 94-96. Yg. 

 97. Ad. 



Khartum. 



Goz abu Gruiiiahj White Nile. 

 Kaka, ,, 



Gharb-el-Aish, „ 



Fashoda, „ 



5) J! 



Tewfikyeh, „ 



Tonga, „ 



Polkom, Baro R. (Sobat). 



Bahr-el-Zaraf. 



Mouth of Lake No, White 



Nile. 

 Bahr-el-Ghazal. 

 Bahr-el-Gebel. 

 Kerro, Bahr-el-G-ebel. 

 Gondokoro, ,, 

 Butyaba, Lake Albert. 

 Galeba, N.B. end of Lake 



Rudolf. 

 Lake Chad. 

 Senegal. 

 Kaedi, Senegal. 

 McCarthy Id., GMinbia. 

 Gambia. 

 Niger. 



Mureji, Upper Niger. 

 Abo, Lower Niger. 



Assay, „ 



Benue R., near Ibi. 



J. Petherick, Esq. (C). 

 L. Loaf, Esq. (C). 



Mr. P. C. Zaphiro (C); 

 W.N.McMillan,Esq.(P.). 



Capt. S. Flower (P.). 

 L. Loat, Esq. (C). 



Capt. S. Flower (P.). 



L. Loat, Esq. (C). 



J. S. Budgett, Esq. (P.). 

 Mr. P. C. Zaphiro (C.) ; 



W.N.McMillan,Bsq.(P.). 

 Capt. G. B. Gosling (P.). 



M. P. Delhez (C). 



J. S. Budgett, Esq. (P.). 



Mr. J. T. Dalton (C). 



W. A. Forbes, Esq. (P.). 

 J. S. Budgett, Esq. (P.). 

 Dr. W. J. Ansorge (C). 



J. S. Budgett, Esq. (P.). 

 H. N. Norton Traill, Esq. 

 (C). 



