69 FISHES OF SINALOA. 441 
Gray above, with deep green reflections, lower half 
silvery, with strong golden tinge. Axil jet black, the 
color covering base of fin and extending behind for a 
distance nearly equal to eye, so that the fin does not cover 
‘it; upper fins dusky, the caudal edged with paler, anal 
dusky with golden tinge, ventrals purplish white. Pec 
torals dusky ; maxillary with a black streak. 
gg. Seriola mazatlana Steindachner. 
Originally described from Mazatlan by Steindachner, 
but not seen by Dr. Gilbert or by us: probably a migra- 
tory species. 
Family NEMATISTIIDA. 
100. Nematistius pectoralis Gill. PAPAGALLo. 
Very common in all the waters about Mazatlan; speci- 
mens reaching the length of about three or four feet found 
about the islands of Venados, Isla Blanca and Creston. 
Color silvery, iridescent bluish above, with black bands; 
the first across tip of snout; the second across interorbital, 
involving the top of membranous eyelid; the third from 
nape across opercle; the fourth including the first dorsal 
spine and running obliquely down on the belly, where it 
fades out at about the tip of the pectoral fin; the fifth 
running from middle of first dorsal obliquely to lateral 
line, then backwards along lateral line to upper lobe of 
caudal, including the whole upper half of caudal peduncle ; 
a sixth indistinct band, following the line of the back for 
a short distance, under the soft dorsal; upper part of 
maxillary dusky; long spines of dorsal with alternate 
bands of yellow and black, and much slaty-bluish at base ; 
soft dorsal and caudal uniform dusky; pectoral with a 
black spot on lower rays, not involving the axil; ventrals 
white; anal slightly dusky. 
Described from a specimen sixteen inches long. 
2p SER., VoL. V. ( 29 ) August 15, 1895. 
