. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. TILAPIA. 211 part of head; eye 3^ (young) to 4 times in length of head, greater than prrcorbital depth ; month large, | Avidth of head, extending to below anterior border of eye ; lips very strongly developed ; teeth moderately slender, in 3 or 4 series, 40 to 50 in outer series of upper jaw ; 2 series of scales on the cheek, width of scaly part rather less than diameter of eye. Gill-rakers short, 13 or 14 on lower part of anterior arch. Dorsal XIII-XV 11 ; spines increasing in


. Catalogue of the fresh-water fishes of Africa in the British Museum (Natural History). Fishes; Freshwater animals. TILAPIA. 211 part of head; eye 3^ (young) to 4 times in length of head, greater than prrcorbital depth ; month large, | Avidth of head, extending to below anterior border of eye ; lips very strongly developed ; teeth moderately slender, in 3 or 4 series, 40 to 50 in outer series of upper jaw ; 2 series of scales on the cheek, width of scaly part rather less than diameter of eye. Gill-rakers short, 13 or 14 on lower part of anterior arch. Dorsal XIII-XV 11 ; spines increasing in length to the last, which measures f length of head ; longest soft rays f length of head. Anal III (exceptionally IV) 9-10 ; third spine ^ length of head. Pectoral about f length of head, usually not reaching origin of anal. Ventral reaching vent or anal. Caudal rounded, subtruucate. Caudal peduncle deeper than long. Scales cycloid, 30-31 ^f ; lateral lines j^. Dark brown, with black vertical bars on the body, or entirely black. I'otal length 75 millim, Eusso Nyiro, East of Lake Baringo. 1-8. Types. Hot springs at Chandler Falls, A. Blayney Percival, Esq. N. Eusso Nyiro, 2500 ft. (P.). 9. Skel. „ „ „ 45. TILAPIA GRAHAML Bouleng. Ann. & Mag. N. H. (8) ix. 1912, Depth of body 3 to 3J times in total length, length of head 2J to 2f times. Head large, J| to If times as long as broad; snout rounded, ri<i. TUapia graJiami, Type. with convex upper profile, much broader than long, 3 to f postocular part of head ; eye 3h to 4^ times in length of head, a little greater than prfcorbital depth; mouth large, f width of head, extending to between vertical of nostril and anterior border of eye; lii)S very strongly developed, the loAver forming a very distinct lobe on each side ; teetli. 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 p


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Keywords: ., bookauthorbritishmuseumnatur, bookcentury1900, booksubjectfishes