166 



CICHLID.I:. 



278-287, 288-292. 



Ad., Lgr., & yg. 

 293-294. Types of 



T. vyirica. 

 295-303. Hgr.&yg. 



Types o£ Chr. 



spilums. 

 304-305. Yg. 



306. Ad. 

 307-316. Yg. 



317, Ad. 

 318-321. Yg. 



322-331. Ad., hgr., 

 & Yg. 



332-333. Ad. & 

 hgr. 



334. Ad. 



335. Yg. 

 336-337. Yir. 



338-340. Yg. 

 341-343. Hgr. & 



yg- 



344. Hsrr.. 



Eusso X^'iro, flowing in Lorian 



Swamp. 

 Eusso Nyiro, below Chanler 



Falls. 

 Mwangaden E., Brit. E. Africa. 



Simba R., trib. of Atlii R., 



3000 f. 

 Pangani R., Brit. E. Africa. 

 Near Tanganiko, coast of Brit. 



E. Africa. 

 L. Chad. 



Kaedi, Senegal. 



Niger. 



Mnreji, Upper Niger. 



Jebba, „ ,, 



Deert, mouth of Gurara R., 



Niger. 

 Abo, Lower Niger. 

 Luapula R. at Kasenge. 



L. Mweru at Lukonzolwa. 



A. Blayney Percival, Esq. 



(P.). 

 Prof. E. Li5nnberg(P.). 



Prof. J. ^y. Gregory (P.). 



A. Blayney Percival, Esq. 



(P.). 

 Sir L. Playfair (P.). 

 A. Blayney Percival, Esq. 



(P.)". 

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

 Dr. Gaillard (0.) ; 



Paris Museum (E.). 

 M. P. Delhez (C). 



^Y. A. Forbes, Esq. (P.). 



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

 C, H. Firmin, Esq. (P.) . 

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



Dr. W. J. Ansorge (C). 

 Dr. S tappers (C). 



11. TILAPIA EDUARDIANA. 

 Bouleug. Ann. & Mag. N. H. (8) x. 1912, p. 138. 



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

 Head nearly twice as long as broad ; snout rounded, with straight or 

 convex upper profile, much broader than long (IJ to 1§), ^ to f post- 

 ocular part of head ; eye 3 (young) to 3f times in length of head, 1 ^ to 

 1^ times in interorbital width, much longer than preeorbital depth ; 

 mouth moderate, f to § width of head, extending to between nostril 

 and eye; teeth in 3 series, 66 to 88 in outer series of upper jaw ; 2 or 

 3 series of scales on the cheek, width of scaly part -^ to f diameter of 

 eye. Gill-rakers short, 20 to 23 on lower part of anterior arch (18 in 

 the young). Dorsal XVI-XVII 10-13 ; spines subequal from the fifth 

 or sixth, f to not quite | length of head ; longest soft rays i to f length 

 of head. Anal HI 9-10 ; third spine longer than longest dorsal, J or a 



