1898.] STEIAJSr FISHES OF THE FAMILY CICHLID^. 145 



15. PaBATILAPIA IIVXNGSTONII. 



Hemichromis livingstonii, Giinth. Proc. Zool. Soc. 1893, p. 625, 

 pi. Ivi. fig. B. 



Teeth in 4 or 5 series in both jaws, outer largest. Depth 

 of body equal to length of head, nearly 3 times in total length. 

 Snout with straight upper profile, 1| to 2 times diameter of 

 eye, which is 4 to 5 times in length of head and I5 to 1^ in 

 interorbital width ; maxillary not extending to below anterior 

 border of eye ; 4 series of scales on the cheek ; large scales on 

 the opei'cle. Grill-rakers short, 11 or 12 on lower part of anterior 

 arch. Dorsal XVI 10-11 ; spines increasing in length to the last, 

 which measures g to f length of head and | longest soft rays. 

 Pectoi-al i length of head. Ventral reaching vent, xlual III 9 ; 

 third spine as long as longest dorsal. Caudal truncate. Caudal 

 peduncle slightly longer than deep. Scales finely denticulate on 

 the border, 35-36 '^ ; lat, 1. ^^. Silvery, largely and irregularly 



marbled with black. 



Total length ISO millim. 



Lake Nyassa and Upper Shire River. 



16. Pabatilapia intebmedia. 



Hemichromis intermedius, Griinth. Proc. Zool. Soc. 1864, p. 312. 



Teeth small, in 2 or 3 series in each jaw, outer largest. Depth 

 of body 2^ to 2| times in total length, length of head 3 to 31 times. 

 Snout with straight upper profile, Ig to 1^ diameter of eye (in the 

 adult), which is 4 times in length of head and nearly equal to or a 

 little greater than interorbital width ; maxillary not extending to 

 below anterior border of eye ; 2 or 3 series of scales on the cheek ; 

 large scales on the opercle. Gill-rakers rather long, close-set, 20 

 to 27 on lower part of anterior arch, a few ot the larger ones 

 sometimes Y-shaped. Dorsal XV-XVIII 9-11 ; spines increasing 

 in length to the last, which measures little less than -i- length of 

 head, and •!• to + length of longest soft rays. Pectoral as long 

 as head. Ventral reaching vent, or produced to the anterior soft 

 rays of anal. Anal III 9-10 ; third spine strongest, as long as 

 fifth dorsal spine. Caudal more or less extensively scaly, emar- 

 ginate. Caudal peduncle li as long as deep. Scales very finely 

 denticulate on the edge, 33-36 j^^ ; lat. 1. ^g. Pale olive to 

 dark brown, with a more or less distinct blackish spot under the 

 lateral line, below middle of spinous dorsal, and another at base 

 of caudal ; dorsal and anal dark brown, often with a broad whitish 

 border, with or without round whitish spots ; pectoral whitish, 

 ventral dark brown. 



Total length 180 millim. 



Lake Nyassa and Upper Shire Kiver. 



17. PaBATILAPIA DIMIDIATA. 



Hemichromis dimidiatus, Giinth. Proc. Zool. Soc. 1864, p. 313. 

 Teeth in 3 series in both jaws, the outer series composed of 

 Pboc. Zool. Soc— 1898, No. X. 10 



