TILAP1A. 



171 



9. Skel. 

 10. Hgr. 



11-12, 13-14. Ad. 

 15. Ad. 



16-20. Ad. & hgr. 

 21. Ad. 

 22-31. Hgr. 



32. Ad. 



33. Ad. 

 34-35. Yg. 

 36-40. Ad., hgr., 



& yg. 

 41-42. Hgr. 

 43-44. Hgr. & yg. 



45. Ad. 



46. Ad. 



47-53. Hgr. & yg. 

 54-55. Yg. 



56. Yg, 



57. Ad. 

 58-59. Yg. 



60-61. Yg. 

 62-71. Yg. 

 72-76. Ad. & hgr. 

 77. Yg. 



Lower Nile. 



Near Cairo. 



Zoological Gardens, Giza. 



Balir Selah, Faynm. 



Birket Karun, ,, 



Khartum. 



Omdunnan. 



Bosaires. Blue Nile. 



Gondokoro. 



St. Louis, Senegal. 



Kaedij „ 



Gambia. 



Corbal B.atTcliitala,Portiig. 



Guinea. 

 Geba B.., Portng. Guinea. 

 Ogun B. at Aro, Lagos. 

 Jebba, Upper Niger. 



3! 31 



Mureji, 



Deert, month o£ Gurara B., 



Niger. 

 Abo, Lower Niger. 

 Agberi, „ 

 Niger. 

 Benue B., N. of Ibi. 



J. Petherick, Esq. (C). 

 L. Loat, Esq. (0.). 



J. Petherick, Esq. (C). 

 L. Lout, Esq. (C). 



M. P. Dolhez (G). 



Sir A. Moloney (P.). 

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

 Dr. W. J. Ansorge (C.). 



Major G. E. Bruce (P.). 

 Dr. C. Christy (P.). 

 Capt. G. F. Abadie (P.). 

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

 J. J. Simpson, Esq. (P.). 



D:-. W. J. An.-orgo (C). 



II. O. Forbes, Esq. (P.). 

 Norton Smith. Esq. (G). 



The following specimen is referred with doubt to this species :— 

 Banzyville, Ubanghi. Capt. Boyaux (G). 



78. Yg 



14. TILAPIA ANDEBSONII. 



Cliromys andersonii, Casteln. Mem. Poiss. At'r. Austr. p. 14 (1861). 



Chromys chapmanii, Casteln. op. cit. p. 15. 



? Chromys sparmanni (non A. Smith), Casteln. t. c. p. 12. 



Melanogenes microcephalus (non Bleek.), Sauv. Bull. Soc. Zool. France, 1884, 



p. 196, fig. 

 Tilapia flavomarginata, Bouleng. Ann. Mus. Congo, Zool. i. p. 123, pl.xlvi. (1899), 



Poiss. Bass. Congo, p. 458, and Ann. & Mag. N. H. (8) vi. 1910, p. 560; 



Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 313, and Bull. Soc. Philom. (9) 



ix. 1907, p. 37, fig. 

 Tilapia andersonii, Bouleng. Tr. Zool. Soc. xviii. 1911, p. 415. 



Depth of body 2 to 2| times in total length, length of head 2f to 



