CLARIAS. 261 



once, inner mandibular §. Gill-rakers few, 15 to 20 on first arch. 

 Clavicles concealed under the skin. Dorsal 79-87, its distance from 

 occipital process | to f length of head. Anal 68-78. Dorsal and 

 anal extending almost to the very root of the caudal. Pectoral f to § 

 length of head, spine feebly serrated on outer side and § to £ the length 

 of the fin. Ventrals 1^ to 1| times as far from caudal as from end of 

 snout. Caudal J to § length of head. Uniform dark brown above, 

 light brown beneath, in spirit. 



Total length 270 millim. 



Gold Coast, Cameroon. — Type (U.S. Nat. Mus ) examined. 



(0.); 



29. CLARIAS BUETTIKOFERI. 

 Steind. Notes Leyd. Mus. xvi. 1894, p. 53. 



Depth of body 6 times in total length, length of head 4 times. Head 

 nearly 1^ as long as broad, nearly smooth above ; occipital process 

 pointed; eye very small, about 6 times in interorbital width, which is a 

 little more than 5 length of head; width of mouth \ length of head ; 

 vomerine teeth obtusely conical, forming a crescentic band which, in 

 the middle, is as broad as the prsemaxillary band ; nasal barbel reaching 

 middle of pectoral ; maxillary barbel extending a little beyond end of 

 pectoral. Dorsal 55, anal 50, the last ray completely adnate to the 

 caudal. Pectoral a little more than | length of head ; spine short, 

 serrated on the inner edge only. Dark reddish brown. 



Total length 155 millim. 



Liberia. 



Only known from the description quoted above. The type specimen, 

 I am informed by Mile. Dr. Popta, is not to be found in the Leyden 

 Museum, which is supposed to contain the types of the fishes discovered 

 by Dr. Biittikofer. 



30. CLARIAS AMPLEXICAUDA. 

 Bouleng. Ann. Mus. Congo, Zool. ii. p. 36, pi. x. fig. 2 (1902), and Proc. Zool. 

 Soc. 1907, p. 1088. 



Depth of body 7 times in total length, length of head 5 times. Head 



