_Chaetodon ephippium Cuvier. | 
Head 2 1/43 depth 1 2/5; De Kids 22; A. LIL, ifs. tues 
in laterel line 34, ending below soft dorsal posteriorly; 54 
scales between suprascapula and caudal base; 9 scales above 
lateral line to spinous dorsal origin, 15 below to spinous 
anal origin; mout 21/4 in head; eye 2 2/5; maxillary 3 1/5; 
interorbital 3; head width @ 1/4, Color in alcohol with large 
blackish blotch over front half of soft dorsal and on back 
extends downward until opposite pupil. Caudal peduncle black- 
ish. Blackish band from predorsal through eye, then down across 
cheek to branchiostegal region, width slightly greater than 
pupil. Length 25 mm, One without locality, probably Hawaiian. 
Lae eng ay aire ais : 
Gunther s figure of the young agrees in most every respect, 
Cheetodon unimaculetus Bloch, 
Painting of example from Piha | 2 
1537 . Gh» drowwm te our api 
Chastodon eS suoy and Gaimard, 
Head 3 1/8 to 3 1/5; depth 11/2 to 1 one D. XLTS, Sy 
4 to 24. 33 Ay Tet, 46) : 1. or 1G, 2; tubes im lateral: tine oo 
to 423; 43 to 50 scales between suprascapula and caudal base 
medially; 9 to 12 scales above lateral line to spinous’ dorsal 
origin, 23 to 25 below to spinous anal origin; snout 2 4/5 b 
3 1/8 in head; eye 2 4/5. to-8 1/4; mexitllary 4 to 4 1/63; inter- 
orbital 3 1/4 to 3 1/3; head width 2, Snout conic, long as wide, 
Rakers 7-4+13, short lanceolate points, shout 1/5 of filaments, 
which 1 3/5 in eye. Scales with 12 to 16 basal radiating striae, 
