194 



CIIAEACINID^. 



branclicd ray longest, as long as or a little longer than head. Anal III 

 19-23 (usually 20-22). Pectoral as long as or a little shorter than head. 

 Caudal deeply forked, lobes pointed. Caudal peduncle 1^ to If times as 

 long as deep. Scales with fine granulations and feeble radiating canals, 

 44-51,^4^, 2 or 2i between lateral line and root of ventral. Silvery, 

 back dark grey or dark green ; a more or less distinct darker band may 

 extend along each side of the back ; lower lobe of caudal bright red. 



Total length 400 millim. 



Lower Nile to Lake Albert ; Lake Rudolf ; Chad Basin ; Senegal, 

 Ciambia, Ni":er. 



1-6. Hgr. & yg. 



7. Skel. 

 8,9,10-12. Hgr. 



& yg- 



13. Ad. 



14. Ad. 



15. Yg. 



16-19. Ad.&yg. 

 20. Yg. 



21-23. Ad. & hgr. 

 24. Skel. 

 25-29. Hgr. 

 30-.] 2. Hgr. 



33-36. Ad. 

 37-49,40. Ad. & 



yg- 



41. Ad. 



42. Ad. 



43. Ad. 

 44-48. Yg. 

 49-53. Yg. 

 54. Ad. 



55-57. Ad.&yg. 

 58-59. Ad. 



00. Ad. 

 CI. Hot. 



Near Ghet-el-Xussura, Lake 



Menzaleh. 

 Lower Nile. 

 Near Cairo. 



Giza, near Cairo. 

 Birket Karun, Fayum. 

 Balir Tamiyeb, „ 

 Near Luxor. 

 Belanya, Upper Nile, 

 Khartum. 



Onidurnian. 



Polkoni, Baro II. (Sohat). 



Mouth of L. No, AVhite Nile. 

 Gondokoro, Bahr-cl-Gcbel. 



Fajao, Victoria Nile. 



Butyaba, Lake Albert. 



Lake Chad. 



St. Louis, Senegal. 



Kaedi, „ 



Gambia. 



Jebba, Upper Niger. 



Tiokoja, „ 



Benue R., north of Ibv. 



L. Loat, Esq. (C). 



Dr. Riippell (C). 

 L. Loat, Esq. (C). 



J. rethcrick, Esq. (C). 



L. Loat, Esq. (C). 



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



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

 L. Loat, Esq. (C). 



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



(\apt. G. B. Gosling (P.). 

 M. P. Delhez (C). 



Lord Derby (P.). 



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



Dr. C. Christy (P.). 



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



H. L.Norton Traill, Esq. (C). 



