NO. 2294. FISHES FROM WEST AFRICA— FOWLER. 233 



The admission of this species to the Liberian fauna rests on the 

 above determination, which was made with a comparison of Angola 

 examples of equal size. 



CLARIAS SALAE Hubrechl. 



Head, 6 to 6|: depth, 7 to lOJ; D. 80 to 92; A. 70 to 79; snout, 

 2| to 2| in head to hind edge of gill-openirg; mouth width, 2 to 2f ; 

 interorbital, 1^^ to 2; eye, 6 to 8} in interorbital. Body slender, 

 uniformly deep. Head, width 1| its lejigth, above smooth, slightly 

 graimlate in half-grown. Snout broad; length about half its width. 

 Eye very small, about first third in head. Mouth broad, with thick 

 papillose lips; lower jaw shorter. Broad bands of villiform teetli in jaws 

 and on vomer: hand of latter slightly broader. Nasal barbel, seven- 

 eighths to gill-opening above, or reaches it in lialf-grown ; maxillary 

 to pectoral tip, outer mental two-thirds of ])ectoral spine, and inner 

 mental four-fifths to pectorrd origin or reaching same in half-grown. 

 Frontal fontanel sole-shaped, twice wide as long and nearly twice 

 length of occipital fontariel. Both fontanels much smaller with age. 

 Occipital process broad, short, scarcely beyoiul hon}* lateral processes 

 of head. Rakers, 4 + 14, larsceolate, very slightly shorter than 

 filaments, which about twice eye-diameter. Dorsal and anal joined 

 slightly with membrane to caudal edge. Dorsal begins about last 

 third between pectoral and ventral origins, or midway in half -grown. 

 Body })efore anal one-third rest of truiik; 1^ in half-grovvnu Caudal, 

 lA to 1^ in head; pectoral, 1^ to 2; ventral, 2^ to 2|. Pectoral 

 spine serrate on each edge in half-grown; smooth with age. Uni- 

 form umber-brown above in alcoliol, paler lielow and first all more 

 or less dusky. Half-grown with about 17 transverse rows of small 

 brown ol)scure spots on l>ack and lower surface much paler. 

 Length, 231 to 417 mm.; four examples. C 



CHRYSICHTHYS NIGRODIGITATUS (Lacepede). 



Head, 3i; depth, 4|: D. I, 6; A. iv, 8, i; snont, 2| in head; eye, 4i; 

 maxillary, 3; interorbital, 3|. Body rather robust, compressed. 

 Head width about If its length. Snout, length about two- thirds its 

 width, rather narrowed forward. Eye elevated, midway in head 

 length. Mouth large, transverse, lower jaw much shorter. Lips 

 thick, fleshy, papillose inside. Teeth villiform, in broad continuous 

 bands in jaws. Elongate band of villiform vomero-pterygoid teeth, 

 not continuous across roof of mon.th. Nasal barbel about three- 

 fifths of eye; maxillary barbel readies back to dorsal origin; outer 

 mental barbel to pectoral origin and inner mental two-thirds as far 

 as outer mental. Interorbital slightly concave. Rakers, 10 + 16 

 lanceolate or nearly three-fifths of eye. Fins large; dorsal rounded 

 or with first 3 rays longest; depressed fin, f to adipose fin. Adipose 

 fin 21 in head; dorsal spine, 1^; pectoral spine. If, and inner edge of 



