times absent. Front nostril in shour fleshy tube each side 
of snout tip; hind nostril small pore above eye front with- 
in interorbital. Interorbital little convex. Gill-opening 
usually little less than eye, little inclined. Dorsal begins 
on head, close after rictus or sometimes midway between 
rictus and hind eye edge. 
When fresh in arrack Sumatran examples were dull purplish 
brown, belly and lower surface paler. Sides, upper portions 
and tail with large dull blackish spots or blotches, clear- 
ly defined. Most spots about size of eye, smaller on sides, 
where arranged to form irregular vertical series, also ex- 
tending on vertical fins. Latter with narrow whitish edge 
and submarginal dusky one close below. Head above and on 
sides marked with dusky spots, arranged somewhat in streaks 
converging towards snout tip, where also much narrower. 
Mandible and head below pale, immaculate. Iris dull slaty. 
Dusky blotch in each mouth corner. Lower lip and inside 
mouth, also gill-opening, pale. 
Hawaiian examples are rich brownish, in alcohol, var- 
fable. Numerous pale or creamy reticulating lines forming 
% lateral series extending for entire body length, and 
made up of broken spots of ground-color. Narrow lines also 
nore or less thickly speckled with ground-color, also to form 
about. 3 longitudinal raws of spots on dorsal, similar to 
those on trunk. Abdomen and head below paler than sides, 
markings pale or absent. End of tail cream-white. Gill-opening 
edged with dusky. Mouth corners dusky. Inside mouth mottled 
with dark brown. One example with body almost everywhere speck- 
