. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. 262 SILURIDjE. 11 times as long as broad, smooth; occipital process very short and forming a very open angle; frontal fontanelle sole-shaped, | length of head ; occipital fontanelle smaller, in advance of occipital process ; eye \ length of snout, \ interorbital width, which is a little less than \ length of head and equals width of mouth ; band of prasmaxillary teeth 4 times as long as broad; vomerine teeth conical, forming a crescentic band which is as broad as the prfemaxi
. Catalogue of the fresh-water fishes of Africa in the British museum (Natural history) ... Fishes; Freshwater animals. 262 SILURIDjE. 11 times as long as broad, smooth; occipital process very short and forming a very open angle; frontal fontanelle sole-shaped, | length of head ; occipital fontanelle smaller, in advance of occipital process ; eye \ length of snout, \ interorbital width, which is a little less than \ length of head and equals width of mouth ; band of prasmaxillary teeth 4 times as long as broad; vomerine teeth conical, forming a crescentic band which is as broad as the prfemaxillary band; nasal barbel % length of head*. Gill-rakers rather long, 15 on anterior arch. Clavicles feebly striated and covered with a thin skin. Dorsal 80, its distance from occipital process f length of head. Anal 65. Both dorsal and anal embracing root of Fig. Clarias amplexicauda. Type (A. M. C). f. caudal. Pectoral f length of head, its spine serrated on both sides and measuring § the length of the fin. Ventrals once and -| as distant from caudal as from end of snout. Caudal a little more than \ length of head. Blackish brown above, a little lighter beneath. Total length 155 millim. Upper Ubanghi.—Type in Congo Museum, Tervueren. 31. CLARIAS THEODORA. M. Weber, Zool. Jahrb., Syst. x. 1897, p. 150 ; Bouleng. Proc. Zool. Soc. 1907, p. 1089. Depth of body 6 to 7 times in total length, length of head i\ to h\ times. Head If or \\ times as long as broad, smooth; occipital process angular, broader than long ; frontal fontanelle sole-shaped, twice as long as broad and \ length of head; occipital fontanelle smaller, in advance of occipital process; eye very small, 3 times in length of snout, 5 to 6 times in interorbital width, which equals width of mouth and a little less than * The other barbels are mutilated in the single known Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - colorati
Size: 1631px × 1531px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisher, booksubjectfishes
