150 
3. Saurida gracilis has 2 pairs between pectorals and ventrals 
and 5 pairs between ventrals and anal. 
(See MAX WEBER, Siboga-Expeditie, Fische 1913, p. 81). 
Fig. 56. Saurus variegatus (Lac.). 
a. Specimen of 13 mm.; 4. of 45 mm. 
3. Harpodon Lesueur. 
(LEsuEUR, Journ, Acad. Nat. Sc. Philad. V. 1825, p. 48). 
(Sauridichthys Bleeker). 
Elongate, rather compressed. Head thick, very short, with 
very short rounded snout. Scales cycloid, deciduous. Lateral 
line present. Cleft of mouth very wide, bordered above by 
the long, slender intermaxillary, the maxillary being absent. 
Lower jaw prominent. Unequal and partly curved, subulate, 
depressible teeth in a band on the jaws, especially in the 
lower jaw the inner ones are enlarged and conspicuously 
hastate. Similar teeth in one or two rows on vomer, palatines 
and pterygoids, as also on tongue and on the branchial arches. 
Dorsal in the middle of the length. Behind it the narrow adipose 
fin, which is about opposite to the middle of the anal. Caudal 
threelobed, the lateral line being continuous along the central 
lobe. Ventrals exceedingly long, about below origin of dorsal. 
Pectorals inserted above the middle of the height. Gillopenings 
extremely wide, covered by the membranaceous opercles. 
Branchiostegal membranes free and extending beyond the 
opercles. Branchiostegal rays 17—25. 
