328 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
Sa. Width of head at front of eye 114 times snout; length of nasal barbel 
not over 14 eye; eye 414 in head and 134 in snout; first and second 
soft dorsal rays about length of head; inner edge of pectoral spines 
strongly serrated; lobes of caudal fin not long and pointed about 
length of head__--__~-~ Chrysichthys nigrodigitatus (Lacepéde) 
8b. Width of head at front of eyes equal to length of snout; nasal barbel 
equal to % eye; eye 314 in head and 114 in snout; first and second 
soft dorsal rays a little longer than the head and 1% longer than the 
dorsal spine; inner edge of pectoral spines strongly serrated ; lobes 
of caudal fin long and pointed the upper lobe 114 length of head. 
Chrysichthys filamentosus Boulenger 
7b. Length of base of adipose fin many times longer than eye diameter. 
9a. Dorsal rays about 30 to 33; anal 41 to 52; adipose fin supported 
by prolongations of the neural spines; gill rakers 18 to 20; base 
of adipose fin as long as length of head and a little shorter than 
base of rayed dorsal; depth of body 5°4 to 6 in standard length 
and 6 to 7 in total length; nasal barbel reaches to opposite in- 
sertion of pectoral fin; maxillary barbel extends somewhat be- 
hind tips of pectoral fins; margins of anal, caudal, and dorsal fins 
white; body blackish above, white below. 
Heterobranchus isopterus Bleeker 
9b. Dorsal rays 7; without a spine. 
10a. Adipose dorsal fin not continuous with the caudal fin; origin 
of dorsal fin a little in advance of insertion of pelvics; caudal 
fin with a wide black bar across its central portion; the 
basal third white and distally white; the skin at base of 
caudal fin rays extends posteriorly over the base of the 
caudal fin rays in the form of 6 or 7 dermal papillae or 
projections; eye very small, 4 in snout; depth 6% in stand- 
ard length and 8 in total length; some specimens have 5 pale 
saddles dorsally, one over gill opening, the second in front 
of dorsal origin and another under base of dorsal; the fourth 
at origin of adipose and last at rear base of adipose fin; 
caudal fin coneave; anal rays 9. 
Amphilius pictus Nichols and LaMonte 
10b. Adipose dorsal fin continuous with the caudal fin; origin of 
dorsal fin behind the base of the pelvic fins; caudal fin plain 
grayish, rounded; upper part of body pale brownish with 
small diffuse spots arranged in an irregular row on sides; 
pores of lateral line far apart; eye very small, about 5 in 
snout; depth about 7°4 to 8 in standard length and 9% in total 
length ; anal rays 11_---- Paramphilius firestonei, new species 
Genus CLARIAS Scopoli 
Clarias Scoro.t, Introductio ad historiam naturalem, Prague, p. 455, 1777. 
Olarias BLEEKER, Systema silurorum revisum, Ned. Tijdschr. Dierk, vol. 1, p. [44] 
120, 1863. (Type designated Clarias morphus Valenciennes=C. batrachus 
Linnaeus. ) 
CLARIAS SALAE Hubrecht 
Clarias salae Husprecut, Notes Leyden Museum, vol. 3, p. 68, 1881 (St. Pauls 
River, Liberia).—Birrikorer, Reisebilder aus Liberia, vol. 2, p. 449, 1890 
