. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. 250 CICHLID^E. regular dark bars, which may be accompanied by large blackish spots; a dark opercular spot; dorsal with oblique dark streaks and rows of small pale spots, or with regular series of ocellar spots between the rays; caudal with small pale spots. Total length 140 millim. Lake Nyassa. L. Nyassa. Sir H. H. Johnston (P.). 1. Type. 2. One of the types of C. subocvlaris. 3. Ad. Capt. E. L. Rhoades (P.). 81. TILAPIA TETRASTIGMA. Chromis tet
. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). British Museum (Natural History); Fishes; Freshwater animals. 250 CICHLID^E. regular dark bars, which may be accompanied by large blackish spots; a dark opercular spot; dorsal with oblique dark streaks and rows of small pale spots, or with regular series of ocellar spots between the rays; caudal with small pale spots. Total length 140 millim. Lake Nyassa. L. Nyassa. Sir H. H. Johnston (P.). 1. Type. 2. One of the types of C. subocvlaris. 3. Ad. Capt. E. L. Rhoades (P.). 81. TILAPIA TETRASTIGMA. Chromis tetrastigma, Giinlh. Proc. Zool. Soc. 1893, p. C23, pi. liv. fig. G. Tilapia tetrastigma, Bouleng. TV. Zool. Soc. xv. 1898, p. 4. Tilapia johnstoni, part., Bouleng. Proc. Zool. Soc. 1899, p. 130. Astatotilapia johnstoni, part., Pellegr. Mem. Soc. Zool. France, xvi. 190-i, p. 303. Depth of body nearly equal to length of head, 2§ to 2£ times in total length. Head twice as long as broad; snout rounded, with straight Fie. 168. lUfe**. Tilapia tetrastigma. Type, after Giinther (P. Z. S. 1893). f upper profile, as long as broad, as long as postocular part of head; eye 3 to 3£ times in length of head, equal to interoibital width, exceeding prseorbital depth ; mouth rather small, f width of head, extending to between nostril and eye; teeth in 4 or 5 series, outer small, 56 to 60 in upper jaw, separated by a considerable interspace from the others, which are very minute and mostly conical; 3 or 4 series of scales on the cheek, width of scaly part less than diameter of eye. Gill-rakers short,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). Dept. of Zoology; Boulenger, George Albert, 1858-1937. London : Printed by order of the Trustees : Sold by Longmans & Co. , B. Quaritch, Dulau
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