CHARACINIDAE FROM VENEZUELA—SCHULTZ 3293 
6a. Caudal spot obsolete; fontanel extending to between middle of 
interorbital space (Lake Valencia; upper Rio Gudrico drainage; 
Caripito, Venezuela)_-._.Gephyrocharax valencia Higenmann 
6b. Caudal spot developed but not prominent; fontanel not extending 
quite to middle of interorbital space (San Juan and Atrato 
Basins, Colombia)_._.Gephyrocharax chocoensis Eigenmann 
4b. A blackish humeral] bar or spot distinctly present; caudal spot present. 
7a. Depth 4 in standard length; a distinct lateral streak more prominent 
posteriorly; dorsal origin an equal distance between midbase of 
caudal fin and a point about equal to postorbital length of head 
behind head; on males ventral margin of belly blackish from in 
front of pelvics to anal origin (Cauca Basin, Colombia). 
Gephyrocharax caucanus Higenmann 
7b. Depth 2.9 to 3.5. 
8a. Caudal spot followed by a whitish area near base of rays on each 
lobe of caudal fin, but black caudal spot not continuing as a 
black band on middle caudal fin rays. 
9a. Lower lip thin; pectorals not quite reaching to middle of pelvics; 
profile from snout to occiput slightly convex, a definite 
offset at mouth (Panama). 
Gephyrocharax intermedius Meek and Hildebrand 
9b. Lower lip thickened and more or less with a fleshy knob at 
symphysis; pectorals reaching to or a little beyond middle of 
pelvies; profile from tip of snout to occiput straight, no 
offset at mouth (Rfo Chame, Panama). 
Gephyrocharax whaleri Hildebrand 
8b. Caudal spot not followed by a whitish area at each side at base 
of caudal fin rays, and usually not prominently developed; 
origin of dorsal equidistant between caudal base and vertical 
through opercle to preopercular edge (Rfo Beni, Bolivia). 
Gephyrocharax major Myers 
3b. Caudal spot blackish and continuing as a black band to posterior end of 
middle caudal fin rays; but fading some posteriorly; outer base of 
each lobe of caudal fin with orange spot, whitish in alcohol; lips thin 
(Maracaibo Basin) __.__--_-_ Gephyrocharax venezuelae, new species 
GEPHYROCHARAX VALENCIA Eigenmann 
SARDINA 
Gephyrocharax valencia EIGENMANN, Indiana Univ. Stud., vol. 7, No. 44, p. 11, 
1920 (Isla del Buro, Lake Valencia; Maracay, Rfo Bue; Lake Valencia, 
Maracay).—PEARSE, Univ. Wisconsin Stud., No. 1, p. 21, 1920 (mouth Rio 
Bue, Maracay, Lake Valencia).—EI1GENMANN and Myrrs, Mem. Mus. Comp. 
Zool., vol. 48, No. 5, p. 484, 1929 (Isla del Buro, Lake Valencia; Maracay, 
Rio Bue; Maracay, Lake Valencia). 
The following specimens, referred He this species, considerably 
extend its range: 
U.S.N.M. No. 92189, 16 specimens, 28 to 37.8 mm. from Barquisimeto, Vene- 
zuela. 
U.S.N.M. No. 93111, 4 specimens, 26 to 28.5 mm. from Lake Valencia, Vene- 
zuela, collected by International Health Board. 
U.S.N.M. No. 121325, 5 specimens, 30 to 37 mm., collected in the Rfo Gudrico 
and tributaries hetween San Sebasti4n and San Casimiro, Estado de Aragua, by 
