FISHES OF THE PHOENIX AND SAMOAX ISLAXDS 



9 



tip of snout to rear margin of maxillary 8.8 (9.8) ; tip of snout to 

 origin of dorsal fin 45.7 (47.5) ; tip of snout to insertion of pelvic 

 fin 52.1 (53.0) ; tip of snout to origin of anal fin 79.0 (81.3) ; length 

 of depressed dorsal 16.4 (16.4) ; length of base of dorsal fin 9.5 (9.8) ; 

 length of base of anal fin 9.5 (9.8) ; distance from insertion of pec- 

 toral to insertion of pelvic fins 30.0 (30.2) ; distance from insertion 

 of pelvic fin to origin of anal 24.3 (26.2) ; width of interorbital 

 space 2.8 (2.9) ; dorsal rays 11 (12) ; anal 11 (10) ; pectoral 12 (-) : 

 pelvic 8 (8); scales 44 (42) ; gill rakers on first gill arch 7 + 1 + 21 

 (7 + 1 + 19); premaxillary bound to snout with a frenum; abdomen 

 appears to be naked along the midline. 



Color in alcohol : Sides with a black band % width of eye extend- 

 ing from upper gill opening to base of caudal fin and joining with a 



Figure 1. — Spratelloides atrofasciatus, new species: Holotype (U. S. N. M. No. 115099), 

 31.7 mm. in standard length. Scales lost on the types, thus not shown in drawing. 



small patch of pigment on base of caudal fin rays above and below 

 the midaxis; above (dorsal) the black lateral band is a white band of 

 nearly same width anteriorly but narrower posteriorly ; the middorsal 

 line has a double roAv or line of black spots from occiput to origin 

 of dorsal, thence irregularly along base of dorsal, continuing behind 

 it as a double row and ending at base of caudal fin; the dorsal row 

 of scales in the white band have very faint, blackish, crescent-shaped 

 lines, one on each scale; below the black lateral band the body is white, 

 except for the midline of abdomen, which has a line of black pigment 

 becoming double along base of anal thence to base of caudal fin ; tip 

 of chin and sides of mandibles with black pigment ; tip of snout black ; 

 supraorbital region with black pigment; peritoneum dusky to blackish ; 

 inside of opercular apparatus with numerous black pigment cells. 



Remarks. — This species differs from other forms referred to the 

 genus Spratelloides in having a wide blackish lateral band in connec- 

 tion with other characters. 



Named atrofasciattts in reference to the black lateral band. 



SPRATELLOIDES ALBURNUS (Kner and Stcindachnci) 



Alausa albnriius Kner and SxEaNDACiiNER, Sitzuiigsh. Akad. Wiss. Wioii, 

 niath.-iiat. Kiai^se, vol. 54, p. 387, fig. 10, ISOO. 



No specimens from Phoenix or Samoan Islands in the National 

 Museum. 



