332 PROCEEDINGS OF THE NATIONAL MUSEUM VOL, 92 
CHRYSICHTHYS NIGRODIGITATUS (Lacepéde) 
Pimelodus nigrodigiiatus Laceribr, Hist. Nat. Poiss., vol. 5, pp. 102, 108, 18083. 
Chrysichthys nigrodigitatus Husprecnt, Notes Leyden Mus., vol. 16,.p. 59, 1894 
(St. Pauls River at Sofereh Place).—BOULENGER, Cat. fresh-water fishes 
Africa, vol. 2, p. 821, 1911 (Senegal to Ogowe).—Fowtsr, Proc. U. Si Nat. 
Mus., vol. 56, p. 233, 1919 (St. Pauls River near Monrovia). 
Chrysichthys biittikoferi SternpacHner, Notes Leyden Mus., vol. 16, p. 60, 1894 
(Fischermann See). 
The following specimens have been examined : 
U. S. N. M. No. 48494, 1 specimen, St. Pauls River, Mount Coffee, R. P. Currie. 
U. S. N. M. No. 118780, 8 specimens, 140 to 165 mm., Bendaja, W. M. Mann. 
CHRYSICHTHYS FILAMENTOSUS Boulenger 
Chrysichthys filamentosus BouLencrr, Ann. Mus. Congo, vol. 2D, 296 pls, 
fig. 2, 1912 (type locality, Chiloango). 
The United States National Museum collections contain 1 specimen, 
U. S. N. M. No. 118781, 183 mm., collected at Harbel by Dr. Mann. 
Genus HETEROBRANCHUS Geoffroy St. Hilaire 
Heterobranchus Georrroy St. Himarre, Suite Hist. Poiss. Nil, p. 305, 1827. 
(Type: H. bidorsatis Geof. St. Hilaire.) 
HETEROBRANCHUS ISOPTERUS Bleeker 
Heterobranchus isopterus BLEEKER, Nat. Verh. Wet. Haarlem, vol. 18, p. 108, pl. 
22, fig. 1, 1863—PrLLecRIN, Poiss. eaux douces Afr. Occid. p. 168, 1923 
(? bassin du Haut—Saint Paul). 
I have examined the following specimens: 
U.S.N.M. No. 118806, 1 specimen, 121 mm., Bellyella, W. M. Mann. 
U.S.N.M. No. 118807, 6 specimens, 150 to 325 mm., Bromley, W. M. Mann. 
M.C.Z., 10 specimens, 31 to 42 mm., Gbanga, Liberia, G. M. Allen. 
Genus AMPHILIUS Giinther 
Amphilius GinTHER, Cat. Fish. British Mus., vol. 5, p, 115, 1864. (Type: 
Pimelodus platychir Gtinther.) 
AMPHILIUS PICTUS Nichols and La Monte 
Amphilius pictus NicHots and La Monte, Amer. Mus. Novitates No. 626, p. 1, 
1933. (Types: From Kaleata, Liberia.) 
The National Museum collections contain the following specimens: 
U.S.N.M. No. 118677 (paratype), 1 specimen, Kaleata, Feb. 19382, G. W. 
Harley. 
U.S.N.M. No. 118808, 1 specimen, 43 mm., Harbel, W. M. Mann. 
U.S.N.M. No. 118809, 70 specimens, 85 to 56 mm., Bromley, W. M. Mann. 
U.S.N.M. No. 118810, 16 specimens, 80 te 47 mm., Gibi Mountain, W. M. Mann. 
