144 



TETKODONTID.E. 



base of pectoral fin, and on caudal region ; lateral-line system repre- 

 sented by very distinct furrows. Upper parts dark olive-grey, lower 

 parts and dorsal, anal, and pectoral fins yellow ; caudal dark olive, with 

 a broad orange posterior border ; black stripes along sides of body and 

 caudal peduncle, converging towards their fellows on the back ; usually 

 three stripes below pectoral fin and three on each side of caudal 

 peduncle ; in some specimens the stripes are lost on the back, which is 

 of a uniform blackish olive, or with roundish lighter spots ; some 

 specimens with dark vertical bars on the sides of the head ; black 

 stripes not so well defiued in the young, or replaced by roundish spots. 



Total length 430 millim. 



Kile, Chad Basin, Senegambia, Niger. 



L. Loat, Esq. (C). 



L. Loat-, Esq. (C). 



Capt. S. Flower (P.). 

 L. Loat. Esq. (C). 



J. Petherick, Esq. (C). 

 Capt. S. Flower (P.). 

 L. Loat, Esq. (C.). 



Mr. P. C. Zaphiro (0.) ; 



W. X. McMillan, Esq. 



(P.). 

 L. Loat, Esq. (G). 



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



Dr. W. J. Ansorge (C). 

 Zoological Society (P.). 



Mr. J.T. Dalton (C). 

 Dr. W. H. Crosse (P.). 



1-10. Hgr. & yg. 



Fresh-water pool at Ghet-el- 





Nassara, L. Menz'aleh. 



11. Skel. 



Nile. 



12-15. Ad. 



Rosetta Nile, downstream 





side of barrage. 



16. Yg. 



Nile near Cairo. 



17. Yg. 



Near Luxor. 



It. Ad. 



Abu Simbil, Nubia. 



19-20. Ad. 



Khartum. 



21. Yg. 



Rosaires, Blue Nile. 



22-24. Yg. 



Goz-abu-Guma, White Nile. 



25-39, 40-41. Ad., 



Fashoda, „ 



hgr., & yg. 





42. Ad. 



Polkom, Baro R., Sobat. 



43-45. Ad. 



Mouth of L. No. 



46-52. Ad. 



Goodokoro. 



53-57. Hgr. & yg. 



Fort Lamy, Shari R. 



58. Yg. 



Yo R., L. Chad. 



59. Ad., stffd. 



Senegal. 



60. Hgr. 



Geba R., Portuguese Guinea 



61. Type of T. 



Niger. 



strigosus. 





62. Ad. 



u 



63-64. Ad. & hgr. 



Niger Delta. 



65. Skel. 



W. Africa. 



