373 
Cypselurus albimaoujatus new species 
Cypsilurus speculiger (not EAFINESQUE) KENDALL and GOLDSBOROUGH, 
Mem. Mus. Comp. Zool., vol. 26, p. 253, 1911 (G\iam). 
Cypselurus rubescens (not RAFINESQUE) FOWLER, Mem, Bishop 
Mus«, vol. 10, p. 82, 1928 (Guam specimen; part); Proc, 
U, S, Nat. Mus., vol. 80, art, 6, p. 6, 1932 (lat. 7° S. 
long, 124° W,). 
Depth 5 2/3 to 5 3/4; head 4 1/5 to 4^, width 1 4/5 to 1 7/8, 
Snout 3 2/3 to 3 4/5 in head from snout tip; eye 3 l/s to 3 2/3, equal 
to or little greater than snout, 1 l/s to 1-|- in interorbital; maxillary 
reaches 3/4 to eye, length 4 l/3 to 4^ in head from snout tip; teeth 
very small, simple, conic, in narrow bands in jaws; interorbital 2 I /2 
to 2 2 / 3 , broad, slightly depressed ijedianly. Gill rakers 7 -f- 3 . 8 , 
lanceolate, 1-|- in gill filaments, which § of eye. 
Scales 50 or 51 in lateral line to caudal base and 5 more 
on latter; 7 above, 2 or 3 below; 39 to 42 predorsal. Scales with 5 
basal radiating striae, edge scalloped; circuli very fine, complete, 
D, l_f 10, first branched rety 2 3/4? to 2 l/s in total head 
length; A, 10, first blanched ray 3 l/s to 3 l/3?; least depth of 
caudal peduncle ^ Xo 3 7/8; P. II, 18, fin reaches little beyond base 
of last dorsal ray though not quite so far as tip; ventral longer than 
head, reaches penultimate anal ray base; lower caudal lobe 3 I/ 8 ? to 3 2/5? 
in rest of fish, upper lobe 1^ to 1 l/3? in total head length. 
