13E 
D. 12 or 13, origin above fourth anal ray; A. 
15; ventral origin midway between hind edge of eye and 
caudal base. 
Olive brown above, yellowish below. Black 
blotch on shoulder. Length 94 mm. (Weber and Beaufort.) 
I 
Celebes. 
Genus Zenarchopterus Gill 
% 
Zenarchopterus GILL, Proc. Acad. Nat. Sci. 
Philadelphia, 1863, p. 273. (Type Hemiramphus 
dispar VALENCIENNES, orthotypic.) 
Labidorhamphus FOVJLER, Proc. Acad. Nat. Sci. 
« 
Philadelphia, 1905, p. 493. (Type Hemirhamphus 
amblyurus BLEEKER, orthotypic.) 
Body elongate, more or less compressed. Lower 
jaw prolonged in long beak, with fine feeble conic teeth 
only opposite short upper jaw; beak bordered by 3 more or 
less conspicuous folds of skin, one median begins on chin 
and one on each edge. Gill rakers well developed. Scales 
of back overlap, each other in two directions. Lateral line 
low. Dorsal far postmedian, begins little before anal, which 
shorter. Male often with some dorsal rays produced and some 
anal rays much ehlarged, broadened and articulations increased, 
also many fine secondary rays occur. Caudal round or truncate, 
never forked. Pectoral inserted high. Ventral nearer caudal 
than head. 
