:>12 



CICHLID.4Z. 



moderately slender, in 4 series, 30 to 34 in outer series of upper jaw; 

 3 series of scales on the cheek, width of scaly part nearly equal to 

 diameter of eye. Gill-rakers short, 10 or 11 on loAver part of anterior 

 arch. Dorsal XI 11-12; spines feeble, subequal from the third, which 

 measures ^ length of head. Anal III 8-9 ; spines feeble, like the 

 dorsals. Pectoral f to f length of head, not reaching origin of anal. 

 Ventral not reaching vent. Caudal rounded. Caudal peduncle as long 



o 14—18 



as deep. Scales cycloid, 28-30 jj ; lateral lines -^^jj ; breast and belly 

 naked. Dark blue above, with moi'e or less distinct, ill-defined, darker 

 bars; sides with pale blue spots; dirty white beneath; lower labial 

 lobe perfectly white ; fins greyish, soft dorsal, anal, and caudal with 

 numerous small darker spots which may form vertical bars on the caudal ; 

 the latter with the posterior edge of a faint pink. 



Total length 60 millim. 



Lake Magadi, a hot soda lake in bottom of Rift Valley, British East 

 Africa, at an elevation of 1980 feet above sea-level. 



1-5. Types. L. Magadi. J. W. Graham, Esq. (P.). 



C-35. Ad., yg., & eggs. „ (J. W. Woodhouse, Esq. (P.). 



Fig. 137. 



Tilapia luoosnami. 

 Type (Tr. Z. S. 1911). f . 



46. TILAPIA WOOSNAMI. 

 Boiileng. Tr. Zool. Soc. xviii, 1911, p, 417, pi. xliii. fig. 2. 



Depth of body 2f times in total length, length of head 3 times. 

 Head twice as long as broad ; snout obtusely pointed, as long as post- 

 orbital part of head, as long as broad, with slightly convex upper 

 profile; eye 4^ times in length of head, equal to width of interorbital 

 region or depth of prseorbital ; mouth moderate, f width of head, 



