. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. LAMPEOLOGUS. 463 2. LAMPROLOGUS TETRACANTHUS. Bouleng. Ann. Mus. Congo, Zool. i. p. 118, pi. xliv. fig. 5 (1899), and Poiss. Bass. Congo, p. 398 (1901); Pellegi-. Mem. Soc. Zool. Prance, xvi. 1904, p. 288. Depth of body 4 times in total length, length of head 3^ times. Snout with slightly convex upper profile, a little longer than eye, which is 3f times in length of head and a little exceeds interorbital width; mouth extending to between nostril and eye; head naked; pits of s
. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. LAMPEOLOGUS. 463 2. LAMPROLOGUS TETRACANTHUS. Bouleng. Ann. Mus. Congo, Zool. i. p. 118, pi. xliv. fig. 5 (1899), and Poiss. Bass. Congo, p. 398 (1901); Pellegi-. Mem. Soc. Zool. Prance, xvi. 1904, p. 288. Depth of body 4 times in total length, length of head 3^ times. Snout with slightly convex upper profile, a little longer than eye, which is 3f times in length of head and a little exceeds interorbital width; mouth extending to between nostril and eye; head naked; pits of sensory canals very large. Gill-rakers short, 10 on lower part of anterior arch. Dorsal XX 10 ; spines increasing in length to the last, wliich measures f length of head and |- longest soft rays. Anal IV 7. Pectoral f length of head. Ventral produced into a filament, extending a little beyond origin of anal. Caudal rounded. Caudal peduncle a Eiff. Lamprologus tetracanthus. Type (A. M. C). Q little longer than deep. Scales 41 j^, very small on nape and belly ; lateral lines p. Dark brown; a black opercular spot; fins blackish, dorsal edged with white; light spots on the caudal. Total length 120 millim. Lake Tanganyika.—Type in Congo Museum, Tervueren. 3. LAMPROLOGUS MARGINATUS. Bouleng. Rev. Zool. A£r. iii. 1914, p. 443. Depth of body 3| to 4 times in total length, length of head 3^ times. Snout with slightly convex upper profile, a little longer than eye, which is 3i to 3f times in length of head and measures 1^ to 1^ times inter- orbital width; mouth extending to below anterior border of eye; sides of head , except a few scales on gill-cover; pits of sensory canals very large. Gill-rakers short, 6 to 8 on lower part of anterior arch. Dorsal XX 11 ; spines increasing in length to the last, Avhich measures. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these
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