the Fitniili/ Ciclilidje. 2") I 



3. 7\ steinduchnei'i {^ Saryochroinis ine/luii(/i + l/aplo- 



chrumis ucullceps). 

 1. T. wooHHuiiti (^=. Hiiplochroniis smitfiii). 

 5. T. jallie. 

 (J. T. Iiumilis. 



1 have not seen examples oi the laNt two speeies, but 

 l)roI)al)ly tliey should be phiced in Udplocliromis. 



Siuee the publieation of liouleujjcr's Catak>gue a uuuiber 

 of speeies have been described from Soutli Al'riea bv 

 (iilelirist and Thompson (Ann. S. Afric, Mus. xi.). 



Of these T. switrstra, niackeani, sykesii, druryi, and 

 kirLliami ajjpear to be nearly related to each other and to 

 T. melanojiUura ; T. intermedia and T. sheshekensis may be 

 synonyms of T. andersonii, and T. arnoldi may be a synonym 

 of T. iiiitulensis. T. ado/Ji, Steind. (Denkschr. Akad. Wien, 

 cxii. 1916, p. 8Ji, pi. v.), from E. Africa, does not seem to be 

 distinct from T. nilotica. 



2. Chilociikomis, Bouleng., 1902 

 (type C. dujjoiiti, Bouleng.). 



Differs from Tilapia in tlie dentition, in the pharyngeals, 

 which are formed as in Cijutlioplianjax, and in the phaiyngeal 

 apophysis, which appears to have the same structure as in 

 Otopharyiix. 



A single species from Portuguese Congo. 



3. Cypuotilapia, Regan, 1920 

 (type Paratilupia fronlusa, Bouleng.). 



Kegan, Aun. & Mag. Nat. Ili^t. (9) v. p. 43. 



Two species : one from Tanganyika, the other from tiie 

 Upper Congo. 



4. Pakachromis, gen. nov. 

 (type Heinicliroinis sacer, Gunth.). 



Articular surface for upper pliaryngeals formed by paia- 

 si)henoid only. Vertebr;e29; fourth with a pair of ajiophyses 

 which unite below. Mouth terminal; lower jaw strongly 

 projecting ; teetli in jaws conical, in 2 to 4 series, outer 

 largest; pharyngeal teeth conical, the middle ones raiher 

 strong and lilunt. Scales cycloid (30-32). Dorsal XIV 

 10-11. Anal III 8-9. 



A single species from the Lake of Galilee. 



17* 



