. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. Natural history. 328 Annals of the South African Museum. of snout; posterior nostril close to eye, near its lower border ; eye slightly less than snout, 5 to 5f times in length of head and ^ to } interocular width. Head and snout covered with numerous small tubercles. Dorsal 16-17, originating above 4th ray of anal, its length about ^ its distance from head. Anal 22, nearly equidistant from base of ventrals and base of caudal. Pectorals pointed, sub-falcate, a little shorter than head, about twice as long as ventrals
. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. Natural history. 328 Annals of the South African Museum. of snout; posterior nostril close to eye, near its lower border ; eye slightly less than snout, 5 to 5f times in length of head and ^ to } interocular width. Head and snout covered with numerous small tubercles. Dorsal 16-17, originating above 4th ray of anal, its length about ^ its distance from head. Anal 22, nearly equidistant from base of ventrals and base of caudal. Pectorals pointed, sub-falcate, a little shorter than head, about twice as long as ventrals and extending beyond root of latter. The caudal lobes in two of the specimens are somewhat pointed, but in the third rounded ; caudal peduncle about 3 times as long as deep, about f length of head. Scales in lateral line 53; }-f scales in transverse series across body, \\ in transverse series between dorsal and anal, 16 round caudal peduncle. Colour (of preserved specimens), mottled brown. Three specimens, 54 mm., 54 mm., 67 mm. in length respectively, from Kafue Eiver, Upper Zambezi (J. Drury). MARCUSENIUS CASTELNAUI, Blgr. Bouleng., Trans. Zool. Soc., Lond., vol. xviii., part v., p. 402, May, FIG. 6.—Marcusenius castelnaui. " Depth of body 3 times in total length, length of head 3f times. Head as long as deep, twice as long as broad; snout rounded, 1 length of head, projecting very slightly beyond mouth; mouth small, well below level of lower border of eye ; teeth small, notched, 7 in upper jaw, 8 in lower; eye rather indistinctly denned, nearly as long as snout, its diameter not J interocular width; posterior nostril a little lower down than upper, close to eye. Dorsal fin 17, originating above 4th ray of anal, its length half its distance from head, upper border slightly convex in front, longest ray f length of head. Anal 23, similar to dorsal but longer, equally distant from base of ventrals and from base of caudal. Pectoral. Please note that these images are
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