Download Trewavas (1935) - The Cichlid Fishes of Lake Malawi ...

the Cicldid Pishes of Lake Nyasa. 93The edgesof dorsal and anal fins are entire in older specimens ;in younger fishes there are smell lappets between tbe spines.24. Haplochromis tzniolatus, sp. n.Seven specimens, 84 to 113 mm. in total length, from bothends of the lake.A series of cross-bars, sometimes more conspicuous thanthe longitudinal bands.25. Haplochromis breviceps Regan.Haplochromis breviceps Regan, t. c. p. 694, text-fig. 9.Fonr specimens, 130 to 150 mm. in total length, from thesouth end of the lake.26. Haplochromis microcephlus, sp. n.Two specimens, 122 and 125 mm. in total length, fromMonkey Bay.27. Haplochromis nigritzniatus, sp. n.Nine specimens, 135 to 204 mm. in total length, fromMonkey Bay.This species differs from the following in the pharyngealdentition (see below) and from H. purpurans in having fewerteeth in the outer series of the upper jaw (54 to 60), as wellas in the characters noted in the synopsis.28. Haplochromis serenus, sp. n. (Fig. 13 A, p. 114.)Thirteen specimens, 145 to 200 mm. in total length, fromVua and Deep Bay, near the north end of the lake.The lower pharyngeal bone of this species is broader andstoutcr than in either H. nigritzniatus or H. purpurans,less concave laterally, and with a pair of pronounced convexitiesposteriorly ; moreover, the pharyngeal teeth arca little larger.29. Haplochromis purpurans, sp. n.Fifteen specimens, 145 to 175 mm. in total length, fromthc northern end of the lake.30. Haplochromis microstoma Regan, 1921.Haplochromis microstoma Regan, t. c. p. 695, text-fig. 10.Twenty-one specimens, 80 to 190 mm. in total length,from both ends of the lake.31. Haplochromis kirkii (Giinther), 1893.Haplochromis kirkii Rogan, t. c. p. 693.15igll1,y-fivc spt.ci~nens, 86 to 180 mm. in total length, fronlbvt,ll oncls of the Iakc and from the Uppor ShirB liiver.