251 
pectoral 1 3/4 to 1 4/5; ventral 2 l/4 to 3 (?). 
Dark brown, above, with narrow V-like extension invading silvery white of 
flanks until down opposite level of lower eye edge* ^ides and lower surfaces 
bright silvery white. Abdomen and under parts largely dusky to blackish, with 
photophores goldeh* J ris silvery gray* Fins all whitish* 
Pacific Ocean* 
4102 
51593 U.S.IT.M. Hawaiian Islands* Albatross Station^ Length 47 
to 85 nim. 33 examples* Paratypes* 
51599 U P S*K*M* between Molokai and Maui* In 
fathoms • Alba¬ 
tross Station 4038. length 83 mm 
in 
rpe 
ACIPTIIOPOIY iPMJS new subgenus 
Type Polyipnus fraseri new species 
Body deep, strongly compressed, fiead very large, compressed. Eye greatly 
enlarged, supero lateral, elevated. Mouth vertical, terminally superior, man¬ 
dible with short spine at symphysis'. Teeth in jaws very minute. Occipital 
spines very long, extend beyond front of dorsal. Preopercie angle with 2 
divergent spines. Photophores rather small, lower opercular especially modi¬ 
fied spheroid within gill opening and the snals in 2 small restricted groups. 
Coloration largely whitish or silvery white. 
Diagnosis. Differs from subgenus Polyipnus chiefly in its greater spin- 
iferous armament and comparatively smaller and less developed photophores, es¬ 
pecially the swollen lower opercular within the gill o/pening. 
0L k 
/??£- f 
\ V2UJ- * 
