2146 
Diaphus harveyi new species 
Depth 3 2/3; head 3, width 2 1/8. Snout 6 3/5 in head; eye 2 7/8, 
greater than snout or interorbital; maxillary extends well behind eye, 
though not to slightly inclined hind preopercle edge, slender, length 
1 2/5 in head; interorbital 3 2/5, moderately high. Gill rakers about 
6+10, lanceolate, 1 1/2 in eye. 
Scales 30 in lateral line to caudal base, enlarged; 3 above, 3 below. 
Caudal base scaly. Scales very caducous, most all fallen. 
Single small photophore on lower hind eye edge; 2 operculars, upper in 
i 
line with lower eye edge and upper subpectoral, lower veiled behind and below 
hind maxillary end; 3 equidistant veiled branchiostegals, more or less ob¬ 
scured by luminous masses; 5 pectorals, fourth little higher than upper sub¬ 
pectoral and over interspace of third and fifth; 1 suprapectoral, little before 
pectoral fin origin and at lowest fourth between same and lateral line; 2 
subpectorals, first or lower midway between upper and first pectoral or 
little before suprapectoral, upper close before and below lowest pectoral ray 
bases; 5 ventrals, third little behind second and level with fourth pectoral; 
3+3 anals, first posteroanal over base of last anal ray; 3 supraanals, 
first close behind and little above last ventral, second little higher and 
posterior and third well below lateral line and opposite anal origin; 2 
posterolaterals, first little above and behind last anteroanal and second 
also well below lateral line; 3 close set precaudals arched up toward end of 
lateral line of which last little below and highest of series. Indistinct 
luminous plate below suprapectoral photophore. 
